modify for add a space in maxout op

Author: wanghaox

paddle/operators/math/maxouting.cc

@@ -47,7 +47,7 @@ class MaxOutFunctor<platform::CPUPlace, T> {
           // T ele = maxout_process.initial();
           T ele = static_cast<T>(-FLT_MAX);
           for (int ph = 0; ph < groups; ++ph) {
-            T x=input_data[(new_bindex+new_cindex) * groups+ph*fea_size+f];
+            T x = input_data[(new_bindex+new_cindex) * groups+ph*fea_size+f];
             ele = ele > x ? ele : x;
           }
           output_data[(new_bindex+new_cindex+f)] = ele;

paddle/operators/math/maxouting.h

@@ -30,7 +30,7 @@ class MaxOutFunctor {
  public:
   void operator()(const platform::DeviceContext& context,
                   const framework::Tensor& input, framework::Tensor * output,
-                  int groups );
+                  int groups);
 };
 
 template <typename Place, class T>