define MIN macro in order to build opencv_ffmpeg*.dll.

diff --git a/modules/highgui/src/cap_ffmpeg_impl_v2.hpp b/modules/highgui/src/cap_ffmpeg_impl_v2.hpp
index 72fefa7..9bc2e7b 100755 (executable)
--- a/modules/highgui/src/cap_ffmpeg_impl_v2.hpp
+++ b/modules/highgui/src/cap_ffmpeg_impl_v2.hpp
@@ -125,6 +125,10 @@ extern "C" {
     #include <sys/sysctl.h>
 #endif
 
+#ifndef MIN
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
 int get_number_of_cpus(void)
 {
 #if defined WIN32 || defined _WIN32