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/arrstr.h

@@ -38,6 +38,8 @@ class WXDLLIMPEXP_BASE wxArrayString : public wxArrayStringBase
 public:
     wxArrayString() { }
     wxArrayString(const wxArrayString& a) : wxArrayStringBase(a) { }
+
+    int Index(const wxChar* sz, bool bCase = true, bool bFromEnd = false) const;
 };
 
 class WXDLLIMPEXP_BASE wxSortedArrayString : public wxSortedArrayStringBase
@@ -56,6 +58,8 @@ public:
         for ( size_t n = 0; n < src.size(); n++ )
             Add(src[n]);
     }
+
+    int Index(const wxChar* sz, bool bCase = true, bool bFromEnd = false) const;
 };
 
 #else // if !wxUSE_STL