C-API cleanup: core module tests

modules/core/include/opencv2/core/core_c.h

@@ -220,8 +220,6 @@ allocated using cvCreateData or set explicitly to user-allocated data via cvSetD
  */
 CVAPI(CvMat*)  cvCreateMatHeader( int rows, int cols, int type );
 
-#define CV_AUTOSTEP  0x7fffffff
-
 /** @brief Initializes a pre-allocated matrix header.
 
 This function is often used to process raw data with OpenCV matrix functions. For example, the

modules/core/include/opencv2/core/cvdef.h

@@ -521,6 +521,8 @@ Cv64suf;
 
 #define CV_ELEM_SIZE(type) (CV_MAT_CN(type)*CV_ELEM_SIZE1(type))
 
+#define CV_AUTOSTEP  0x7fffffff
+
 #ifndef MIN
 #  define MIN(a,b)  ((a) > (b) ? (b) : (a))
 #endif