Added wxMessageOutput as per the discussion on wx-dev.

Added wxApp::DoInit to initialize the global wxMessageOutput instance.
Changed wxCommandLineParser to use wxMessageOutput.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16267 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/init.cpp

@@ -109,6 +109,7 @@ bool WXDLLEXPORT wxInitialize()
         return FALSE;
     }
 
+    wxTheApp->DoInit();
     gs_nInitCount++;
 
     return TRUE;