remove extra space before +

src/caffe/solvers/adam_solver.cpp

@@ -30,7 +30,7 @@ void AdamSolver<Dtype>::ComputeUpdateValue(int param_id, Dtype rate) {
   Blob<Dtype>* val_v = this->history_[param_id + update_history_offset].get();
   Blob<Dtype>* val_t = this->temp_[param_id].get();
 
-  const int t = this->iter_  + 1;
+  const int t = this->iter_ + 1;
   const Dtype correction = std::sqrt(Dtype(1) - pow(beta2, t)) /
       (Dtype(1.) - pow(beta1, t));
   const int N = net_params[param_id]->count();

tools/caffe.cpp

@@ -164,7 +164,7 @@ int train() {
   if (FLAGS_gpu.size() == 0
       && solver_param.solver_mode() == caffe::SolverParameter_SolverMode_GPU) {
       if (solver_param.has_device_id()) {
-          FLAGS_gpu = ""  +
+          FLAGS_gpu = "" +
               boost::lexical_cast<string>(solver_param.device_id());
       } else {  // Set default GPU if unspecified
           FLAGS_gpu = "" + boost::lexical_cast<string>(0);