Update readme.md

Ade

2018-05-06 a1c5bae6fbc57f1b0915139291b4c3ba3b093f30

 src/network.c

@@ -767,6 +767,11 @@
      free_layer(net.layers[i]);
   }
   free(net.layers);

   free(net.scales);
   free(net.steps);
   free(net.seen);

#ifdef GPU
   if (gpu_index >= 0) cuda_free(net.workspace);
   else free(net.workspace);