fix blob_loss_weights index in test() in caffe.cpp

Correct the index for blob_loss_weights during output. Previously it was set to test_score index by mistake.

tools/caffe.cpp

@@ -187,8 +187,8 @@ int test() {
   for (int i = 0; i < test_score.size(); ++i) {
     const std::string& output_name = caffe_net.blob_names()[
         caffe_net.output_blob_indices()[test_score_output_id[i]]];
-    const float loss_weight =
-        caffe_net.blob_loss_weights()[caffe_net.output_blob_indices()[i]];
+    const float loss_weight = caffe_net.blob_loss_weights()[
+        caffe_net.output_blob_indices()[test_score_output_id[i]]];
     std::ostringstream loss_msg_stream;
     const float mean_score = test_score[i] / FLAGS_iterations;
     if (loss_weight) {