Fix wx[Sorted]ArrayString::Index when wxUSE_STL=1, because

it is different than wxArray::Index (second argument is for
case sensitivity, not search direction).
  Use forward declaration for wx[Sorted]ArrayString, where
possible.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22128 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/utils.h

@@ -23,7 +23,8 @@
 #include "wx/object.h"
 #include "wx/list.h"
 #include "wx/filefn.h"
-#include "wx/arrstr.h"
+
+class WXDLLIMPEXP_BASE wxArrayString;
 
 // need this for wxGetDiskSpace() as we can't, unfortunately, forward declare
 // wxLongLong