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

tests/streams/sstream.cpp

@@ -80,7 +80,7 @@ strStream::strStream()
     m_str.reserve(LEN);
     for ( size_t n = 0; n < LEN; n++ )
     {
-        m_str += wxChar(_T('A') + n % (_T('Z') - _T('A') + 1));
+        m_str += wxChar(wxT('A') + n % (wxT('Z') - wxT('A') + 1));
     }
 }