Move #include from middle of file to top

Change-Id: I715f606ee0f94e9ffd3ef9ec889948a56a9cdc19
Reviewed-on: https://gerrit.libreoffice.org/9381Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/source/fontsubset/xlat.cxx

@@ -18,6 +18,7 @@
  */
 
 #include "rtl/textcvt.h"
+#include "xlat.hxx"
 #include <tools/debug.hxx>
 
 namespace {
@@ -138,8 +139,6 @@ void ConverterCache::convertStr( int nSelect, const sal_Unicode* pSrc, sal_uInt1
 
 } // anonymous namespace
 
-#include "xlat.hxx"
-
 namespace vcl
 {