Globally replace _T() with wxT().

Standardize on using a single macro across all wxWidgets sources and solve the name clash with Sun CC standard headers (see #10660).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/frame.cpp

@@ -477,7 +477,7 @@ void wxFrame::AttachMenuBar(wxMenuBar *menubar)
 
             if ( !m_hMenu )
             {
-                wxFAIL_MSG( _T("failed to create menu bar") );
+                wxFAIL_MSG( wxT("failed to create menu bar") );
                 return;
             }
         }