Merge pull request opencv#16459 from nh2:patch-1

Author: alalek

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

@@ -181,7 +181,12 @@ namespace cv {
 #undef abs
 #undef Complex
 
+#if defined __cplusplus
+#include <limits>
+#else
 #include <limits.h>
+#endif
+
 #include "opencv2/core/hal/interface.h"
 
 #if defined __ICL