Update to latest clang-format

Refer:https://github.com/openbmc/docs/blob/ac5d544553934f8083c61c5986a1420261bc8a4c/style/cpp/.clang-format

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I1e06864afc29ce7de463e62fa2a0eb6f70e8fd93
diff --git a/message_handler.hpp b/message_handler.hpp
index 2eb4737..88197ca 100644
--- a/message_handler.hpp
+++ b/message_handler.hpp
@@ -22,8 +22,7 @@
             uint32_t sessionID = message::Message::MESSAGE_INVALID_SESSION_ID) :
         sessionID(sessionID),
         channel(channel), io(io)
-    {
-    }
+    {}
 
     /**
      * @brief Create a Handler intended for a send only (SOL)
@@ -32,8 +31,7 @@
             uint32_t sessionID = message::Message::MESSAGE_INVALID_SESSION_ID) :
         sessionID(sessionID),
         channel(channel), io(nullptr)
-    {
-    }
+    {}
 
     ~Handler();
     Handler() = delete;