build: eliminate MSVC warning

2018-03-22 13:50:46 +03:00
parent 0ede1b5b22
commit 8a0cc5009e
1 changed files with 1 additions and 0 deletions
@@ -4630,6 +4630,7 @@ static bool ippFilter2D(int stype, int dtype, int kernel_type,
    }
    catch(const ::ipp::IwException& ex)
    {
+        CV_UNUSED(ex);
        return false;
    }