enable clang-format

Author: qingqing01

paddle/gserver/layers/BatchNormalizationLayer.h

@@ -58,7 +58,7 @@ class BatchNormalizationLayer : public BatchNormBaseLayer {
   /// to batch, channels* imagePixels.
   void shrinkMat(const MatrixPtr& in, MatrixPtr& out);
 
-  void onPassEnd() {firstTest_ = true;}
+  void onPassEnd() { firstTest_ = true; }
 
   MatrixPtr tmpMat_, tmpGrad_;
   MatrixPtr expandedIn_, expandedOut_;