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/generic/editlbox.cpp

@@ -160,7 +160,7 @@ public:
 
     void CreateColumns()
     {
-        InsertColumn(0, _T("item"));
+        InsertColumn(0, wxT("item"));
         SizeColumns();
     }