Fix modules/ typos

Found using `codespell -q 3 -S ./3rdparty -L activ,amin,ang,atleast,childs,dof,endwhile,halfs,hist,iff,nd,od,uint`

modules/gapi/src/api/gbackend.cpp

@@ -239,7 +239,7 @@ void resetInternalData(Mag& mag, const Data &d)
         break;
 
     case GShape::GMAT:
-        // Do nothign here - FIXME unify with initInternalData?
+        // Do nothing here - FIXME unify with initInternalData?
         break;
 
     default:
@@ -281,7 +281,7 @@ cv::GRunArgP getObjPtr(Mag& mag, const RcDesc &rc, bool is_umat)
             return GRunArgP(&mag.template slot<cv::gapi::own::Mat>()[rc.id]);
     case GShape::GSCALAR: return GRunArgP(&mag.template slot<cv::gapi::own::Scalar>()[rc.id]);
     // Note: .at() is intentional for GArray as object MUST be already there
-    //   (and constructer by either bindIn/Out or resetInternal)
+    //   (and constructor by either bindIn/Out or resetInternal)
     case GShape::GARRAY:
         // FIXME(DM): For some absolutely unknown to me reason, move
         // semantics is involved here without const_cast to const (and

modules/gapi/src/backends/cpu/gcpucore.cpp

@@ -413,7 +413,7 @@ GAPI_OCV_KERNEL(GCPUSplit3, cv::gapi::core::GSplit3)
         std::vector<cv::Mat> outMats = {m1, m2, m3};
         cv::split(in, outMats);
 
-        // Write back FIXME: Write a helper or avoid this nonsence completely!
+        // Write back FIXME: Write a helper or avoid this nonsense completely!
         m1 = outMats[0];
         m2 = outMats[1];
         m3 = outMats[2];
@@ -427,7 +427,7 @@ GAPI_OCV_KERNEL(GCPUSplit4, cv::gapi::core::GSplit4)
         std::vector<cv::Mat> outMats = {m1, m2, m3, m4};
         cv::split(in, outMats);
 
-        // Write back FIXME: Write a helper or avoid this nonsence completely!
+        // Write back FIXME: Write a helper or avoid this nonsense completely!
         m1 = outMats[0];
         m2 = outMats[1];
         m3 = outMats[2];

modules/gapi/src/backends/ie/giebackend.cpp

@@ -204,7 +204,7 @@ struct IECallContext
     // Input parameters passed to an inference operation.
     std::vector<cv::GArg> args;
 
-    //FIXME: avoid conversion of arguments from internal representaion to OpenCV one on each call
+    //FIXME: avoid conversion of arguments from internal representation to OpenCV one on each call
     //to OCV kernel. (This can be achieved by a two single time conversions in GCPUExecutable::run,
     //once on enter for input and output arguments, and once before return for output arguments only
     //FIXME: check if the above applies to this backend (taken from CPU)

modules/gapi/src/backends/ocl/goclcore.cpp

@@ -410,7 +410,7 @@ GAPI_OCL_KERNEL(GOCLSplit3, cv::gapi::core::GSplit3)
         std::vector<cv::UMat> outMats = {m1, m2, m3};
         cv::split(in, outMats);
 
-        // Write back FIXME: Write a helper or avoid this nonsence completely!
+        // Write back FIXME: Write a helper or avoid this nonsense completely!
         m1 = outMats[0];
         m2 = outMats[1];
         m3 = outMats[2];
@@ -424,7 +424,7 @@ GAPI_OCL_KERNEL(GOCLSplit4, cv::gapi::core::GSplit4)
         std::vector<cv::UMat> outMats = {m1, m2, m3, m4};
         cv::split(in, outMats);
 
-        // Write back FIXME: Write a helper or avoid this nonsence completely!
+        // Write back FIXME: Write a helper or avoid this nonsense completely!
         m1 = outMats[0];
         m2 = outMats[1];
         m3 = outMats[2];

modules/gapi/src/compiler/gcompiler.cpp

@@ -297,7 +297,7 @@ void cv::gimpl::GCompiler::compileIslands(ade::Graph &g)
 cv::GCompiled cv::gimpl::GCompiler::produceCompiled(GPtr &&pg)
 {
     // This is the final compilation step. Here:
-    // - An instance of GExecutor is created. Depening on the platform,
+    // - An instance of GExecutor is created. Depending on the platform,
     //   build configuration, etc, a GExecutor may be:
     //   - a naive single-thread graph interpreter;
     //   - a std::thread-based thing

modules/gapi/src/compiler/gmodelbuilder.cpp

@@ -80,7 +80,7 @@ cv::gimpl::Unrolled cv::gimpl::unrollExpr(const GProtoArgs &ins,
     std::unordered_set<GObjId> in_objs_p;
     for (const auto& in_obj : ins)
     {
-        // Objects are guarnateed to remain alive while this method
+        // Objects are guaranteed to remain alive while this method
         // is working, so it is safe to keep pointers here and below
         in_objs_p.insert(&proto::origin_of(in_obj));
     }

modules/gapi/src/compiler/passes/exec.cpp

@@ -454,7 +454,7 @@ namespace
             m_changes.enqueue<Change::DropLink>(m_g, m_cons, out_edge);
         }
 
-        // D: Process the intermediate slots (betweed Prod n Cons).
+        // D: Process the intermediate slots (between Prod n Cons).
         // D/1 - Those which are optimized out are just removed from the model
         for (auto opt_slot_nh : mo.opt_interim_slots)
         {

modules/gapi/src/compiler/passes/kernels.cpp

@@ -32,7 +32,7 @@ namespace
         cv::GArgs       in_args;
     };
 
-    // Generaly the algorithm is following
+    // Generally the algorithm is following
     //
     // 1. Get GCompoundKernel implementation
     // 2. Create GCompoundContext

modules/gapi/src/compiler/passes/meta.cpp

@@ -113,7 +113,7 @@ void cv::gimpl::passes::inferMeta(ade::passes::PassContext &ctx, bool meta_is_in
     } // for(sorted)
 }
 
-// After all metadata in graph is infered, store a vector of inferred metas
+// After all metadata in graph is inferred, store a vector of inferred metas
 // for computation output values.
 void cv::gimpl::passes::storeResultingMeta(ade::passes::PassContext &ctx)
 {