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/valtext.cpp

@@ -126,7 +126,7 @@ wxTextEntry *wxTextValidator::GetTextEntry()
 #endif
 
     wxFAIL_MSG(
-        _T("wxTextValidator can only be used with wxTextCtrl or wxComboBox")
+        wxT("wxTextValidator can only be used with wxTextCtrl or wxComboBox")
     );
 
     return NULL;