From 8a0cc5009e5ee6ccdc4ccdf0e0aa61e6c66ba023 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Thu, 22 Mar 2018 13:50:46 +0300
Subject: [PATCH] build: eliminate MSVC warning

---
 modules/imgproc/src/filter.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/imgproc/src/filter.cpp b/modules/imgproc/src/filter.cpp
index 6e779eece8..5cbaf3f357 100644
--- a/modules/imgproc/src/filter.cpp
+++ b/modules/imgproc/src/filter.cpp
@@ -4630,6 +4630,7 @@ static bool ippFilter2D(int stype, int dtype, int kernel_type,
     }
     catch(const ::ipp::IwException& ex)
     {
+        CV_UNUSED(ex);
         return false;
     }