fix for GPU module compile time (VS2010) error (from 2.3 branch)

modules/gpu/src/nvidia/core/NCV.hpp

@@ -48,6 +48,10 @@
     #define NCV_EXPORTS
 #endif
 
+#ifdef _WIN32
+    #define WIN32_LEAN_AND_MEAN
+#endif
+
 #include <cuda_runtime.h>