Include wx/intl.h according to precompiled headers of wx/wx.h (with other minor cleaning).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38909 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/utils.cpp

@@ -15,10 +15,10 @@
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/app.h"
+    #include "wx/intl.h"
 #endif  //WX_PRECOMP
 
 #include "wx/os2/private.h"
-#include "wx/intl.h"
 #include "wx/apptrait.h"
 
 #include <ctype.h>