unicode and __MACH__ additions for wxMac

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19870 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/utilscmn.cpp

@@ -801,13 +801,11 @@ wxFont wxGetFontFromUser(wxWindow *parent, const wxFont& fontInit)
 // missing C RTL functions (FIXME shouldn't be here at all)
 // ----------------------------------------------------------------------------
 
-#ifdef __MWERKS__
-#if __MSL__ < 0x7000
+#if defined( __MWERKS__ ) && !defined(__MACH__)
 char *strdup(const char *s)
 {
         return strcpy( (char*) malloc( strlen( s ) + 1 ) , s ) ;
 }
-#endif
 int isascii( int c )
 {
         return ( c >= 0 && c < 128 ) ;