Fixed saving video file

AlexeyAB

2018-03-05 f0bc634a74b14ce4b0e065011390940d4d7a254c

 src/network.h

@@ -64,6 +64,7 @@
    #ifdef GPU
    float **input_gpu;
    float **truth_gpu;
   int wait_stream;
    #endif
} network;