Update clang-format

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I58738190d06bf216a13048d768aa4054d820d2e8
diff --git a/src/format.hpp b/src/format.hpp
index 8fa6dc8..315fce9 100644
--- a/src/format.hpp
+++ b/src/format.hpp
@@ -16,8 +16,7 @@
 /** @brief Map format strings to undecorated C++ types. */
 template <typename T>
 struct GetFormatType
-{
-};
+{};
 template <>
 struct GetFormatType<bool>
 {