fix typo

paddle/platform/device_context.h

@@ -125,7 +125,6 @@ class CUDNNDeviceContext : public CUDADeviceContext {
 class MKLDNNDeviceContext : public CPUDeviceContext {
  public:
   explicit MKLDNNDeviceContext(CPUPlace place);
-  virtual ~MKLDNNDeviceContext();
 
   /* \brief  Add new element: memory, primitive or primitive desc */
   template <typename T>

paddle/platform/mkldnn_helper.h

@@ -14,7 +14,7 @@ limitations under the License. */
 
 #pragma once
 
-#include "mkldnn.hpp"
+#include <mkldnn.hpp>
 
 namespace paddle {
 namespace platform {