restore r18857 lost by r20171 (#32530)

git-svn-id: http://svn.redmine.org/redmine/trunk@20190 e93f8b46-1217-0410-a6f0-8f06a7374b81

.rubocop.yml

@@ -49,7 +49,7 @@ Layout/SpaceInsideBlockBraces:
   SpaceBeforeBlockParameters: false
 
 Layout/SpaceInsideHashLiteralBraces:
-  Enabled: false
+  EnforcedStyle: no_space
 
 Lint/RaiseException:
   Enabled: true