apply the C++11 style change in .clang-format
diff --git a/include/json/features.h b/include/json/features.h
index 8cbe172..ba25e8d 100644
--- a/include/json/features.h
+++ b/include/json/features.h
@@ -41,17 +41,17 @@
   Features();
 
   /// \c true if comments are allowed. Default: \c true.
-  bool allowComments_{ true };
+  bool allowComments_{true};
 
   /// \c true if root must be either an array or an object value. Default: \c
   /// false.
-  bool strictRoot_{ false };
+  bool strictRoot_{false};
 
   /// \c true if dropped null placeholders are allowed. Default: \c false.
-  bool allowDroppedNullPlaceholders_{ false };
+  bool allowDroppedNullPlaceholders_{false};
 
   /// \c true if numeric object key are allowed. Default: \c false.
-  bool allowNumericKeys_{ false };
+  bool allowNumericKeys_{false};
 };
 
 } // namespace Json