modify code style

src/operators/kernel/arm/conv_add_kernel.cpp

@@ -39,7 +39,6 @@ void expand_bias(Tensor &bias, int axis, const DDim &dDim) {
   }
 }
 
-
 template <>
 void ConvAddKernel<CPU, float>::Compute(
     const FushionConvAddParam &param) const {

src/operators/kernel/conv_add_kernel.h

@@ -17,18 +17,18 @@ limitations under the License. */
 #pragma once
 
 #include <vector>
+#include "framework/ddim.h"
 #include "framework/operator.h"
 #include "operators/math/im2col.h"
 #include "operators/math/math_function.h"
 #include "operators/math/vol2col.h"
 #include "operators/op_param.h"
-#include  "framework/ddim.h"
 
 namespace paddle_mobile {
 namespace operators {
 
-using framework::OpKernelBase;
 using framework::DDim;
+using framework::OpKernelBase;
 
 template <typename DeviceType, typename T>
 class ConvAddKernel : public OpKernelBase<DeviceType, FushionConvAddParam> {