fix yolov3 concat op test=develop (#1901)

mobile/src/io/opencl_interface.h

@@ -22,6 +22,6 @@ cl_context getContext();
 cl_command_queue getClCommandQueue();
 bool isInitSuccess();
 
-#endif
-
 }  // namespace paddle_mobile
+
+#endif

mobile/src/operators/op_param.h

@@ -687,7 +687,7 @@ class ConcatParam : public OpParam {
     inputs_ = InputMultiFrom<GType>(inputs, *scope);
     out_ = OutFrom<GType>(outputs, *scope);
     axis_ = GetAttr<int>("axis", attrs);
-    original_output_dims_size_ = inputs_[0]->dims().size();
+    original_output_dims_size_ = out_->dims().size();
   }
 
   vector<GType *> Inputs() const { return inputs_; }