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

src/gtk1/listbox.cpp

@@ -12,11 +12,13 @@
 #pragma implementation "listbox.h"
 #endif
 
-#include "wx/listbox.h"
+#include "wx/defs.h"
 
 #if wxUSE_LISTBOX
 
+#include "wx/listbox.h"
 #include "wx/dynarray.h"
+#include "wx/arrstr.h"
 #include "wx/utils.h"
 #include "wx/intl.h"
 #include "wx/checklst.h"