Both paths for OpenCV, first to vc14 and second to vc12

AlexeyAB

2017-01-16 17737868ade7c54848c9ebc09377bb3bc8262637

 src/voxel.c

@@ -5,6 +5,7 @@

#ifdef OPENCV
#include "opencv2/highgui/highgui_c.h"
image get_image_from_stream(CvCapture *cap);
#endif

void extract_voxel(char *lfile, char *rfile, char *prefix)