add IsOk() to all classes having Ok() method (patch 1570985)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41751 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/accel.h

@@ -29,7 +29,8 @@ public:
     bool operator != (const wxAcceleratorTable& accel) const
     { return m_refData != accel.m_refData; }
 
-    bool Ok() const;
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const;
 
     int GetCommand( wxKeyEvent &event );
 };