Merge branch 'msw-combo-keys'

Fix behaviour of comboboxes in presence of accelerators in wxMSW.

See https://github.com/wxWidgets/wxWidgets/pull/2443

include/wx/msw/textentry.h

@@ -84,6 +84,10 @@ protected:
     // Returns true if this control uses standard file names completion.
     bool MSWUsesStandardAutoComplete() const;
 
+    // Returns false if this message shouldn't be preprocessed, but is always
+    // handled by the EDIT control represented by this object itself.
+    bool MSWShouldPreProcessMessage(WXMSG* msg) const;
+
     // Helper for wxTE_PROCESS_ENTER handling: activates the default button in
     // the dialog containing this control if any.
     bool ClickDefaultButtonIfPossible();