Replaced lots of ANSI/ASCII strings with their

Unicode equivalents, i.e. I put wxT() arounf
    them in lots of places.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17657 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/filefn.cpp

@@ -1070,7 +1070,7 @@ bool
 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 {
   wxString outfile;
-  if ( !wxGetTempFileName("cat", outfile) )
+  if ( !wxGetTempFileName( wxT("cat"), outfile) )
       return FALSE;
 
   FILE *fp1 = (FILE *) NULL;