Fixed detection and validate(recall, map) for .png and .bmp images.

AlexeyAB

2018-04-19 c2c8595b083ec3586a99bb913b8a986e81e3a42a

 src/cuda.c

@@ -177,4 +177,7 @@
   cudaStreamSynchronize(get_cuda_stream());
}

#endif
#else // GPU
#include "cuda.h"
void cuda_set_device(int n) {}
#endif // GPU