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/common/prntbase.cpp

@@ -1583,7 +1583,7 @@ bool wxPrintPreviewBase::RenderPage(int pageNum)
 
     if (!m_previewCanvas)
     {
-        wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
+        wxFAIL_MSG(wxT("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
         return false;
     }