writeln!(w) breaks formatting

the special case for `writeln!` expects there to always be a format string, this isn't actually required any more which breaks formatting until the next ,

Author: dten

RustEnhanced.sublime-syntax

@@ -175,6 +175,8 @@ contexts:
       push:
         - meta_content_scope: meta.group.rust
         - include: comments
+        - match: '\)'
+          pop: true
         - match: ','
           set:
             - meta_content_scope: meta.group.rust