Unicode compilation fixes.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11661 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/rotate/rotate.cpp

@@ -96,8 +96,8 @@ bool MyApp::OnInit()
 
     if ( !m_image.Ok() )
     {
-        wxLogError("Can't load the test image, please copy it to the "
-                   "program directory");
+        wxLogError(wxT("Can't load the test image, please copy it to the ")
+                   wxT("program directory"));
         return FALSE;
     }