Replaced @returns with @return for more standard command use and compatibility.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53549 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/access.h

@@ -274,9 +274,8 @@ public:
         @a childId is 0 (the action for this object) or greater than 0 (the action
         for a child).
 
-        @returns
-        wxACC_NOT_SUPPORTED if there is no default action for this window
-        (e.g. an edit control).
+        @return wxACC_NOT_SUPPORTED if there is no default action for this
+                window (e.g. an edit control).
     */
     virtual wxAccStatus DoDefaultAction(int childId);