Fix various documentation warnings throughout core and base.

See #15346.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74691 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/control.h

@@ -103,6 +103,8 @@ public:
             obviously not correctly sized.
         @param style
             Control style. For generic window styles, please see wxWindow.
+        @param validator
+            Control validator. 
         @param name
             Control name.
     */