Update clang-format

Update to the latest OpenBMC clang-format.

Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
Change-Id: I54010d3c756af4c85786285644038d449730612b
diff --git a/core_manager.hpp b/core_manager.hpp
index b184dae..ee887ed 100644
--- a/core_manager.hpp
+++ b/core_manager.hpp
@@ -51,8 +51,7 @@
                   std::bind(std::mem_fn(
                                 &phosphor::dump::core::Manager::watchCallback),
                             this, std::placeholders::_1))
-    {
-    }
+    {}
 
   private:
     /** @brief Helper function for initiating dump request using