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

include/wx/msw/private/metrics.h

@@ -36,7 +36,7 @@ inline const NONCLIENTMETRICS& GetNonClientMetrics()
 #endif // WINVER >= 0x0600
         {
             // maybe we should initialize the struct with some defaults?
-            wxLogLastError(_T("SystemParametersInfo(SPI_GETNONCLIENTMETRICS)"));
+            wxLogLastError(wxT("SystemParametersInfo(SPI_GETNONCLIENTMETRICS)"));
         }
     }