Fix formatting

Change-Id: Ifff22c32adb05098c458f0ddabc24e2c310c2ce3
diff --git a/src/grammars.hpp b/src/grammars.hpp
index 0a259b8..de00a8b 100644
--- a/src/grammars.hpp
+++ b/src/grammars.hpp
@@ -222,6 +222,7 @@
 
 auto const leaf_data_enum_def =
     createEnumSuggestions >> +char_;
+
 auto const leaf_data_decimal_def =
     double_;