Fix GCC compile

AlexeyAB

2018-08-16 c2a8cc2ad3f4b31243cbf577440ee45bafcc7f92

 src/network.h

@@ -151,6 +151,7 @@
int get_network_nuisance(network net);
int get_network_background(network net);
YOLODLL_API void fuse_conv_batchnorm(network net);
YOLODLL_API void calculate_binary_weights(network net);

#ifdef __cplusplus
}