global-functions: $MkDir: add extra block for indention...

... to make the next commit cleaner. No functional change.

global-functions.rsc

@@ -590,6 +590,7 @@
     :return true;
   }
 
+  {
     :local Error false;
     :local PathNext "";
     :foreach Dir in=[ :toarray [ $CharacterReplace $Path "/" "," ] ] do={
@@ -627,6 +628,7 @@
         }
       }
     }
+  }
   :return true;
 }