* Makefile.rtl, a-stwiha.adb: Add a-stwiha.adb back.

From-SVN: r148833

gcc/ada/ChangeLog

+2009-06-23  Matthew Gingell  <gingell@adacore.com>
+
+	* Makefile.rtl, a-stwiha.adb: Add a-stwiha.adb back.
+
 2009-06-22  Jose Ruiz  <ruiz@adacore.com>
 
 	* sysdep.c (__gnat_localtime_tzoff for RTX):

gcc/ada/Makefile.rtl

@@ -213,6 +213,7 @@ GNATRTL_NONTASKING_OBJS= \
   a-stunha$(objext) \
   a-stwibo$(objext) \
   a-stwifi$(objext) \
+  a-stwiha$(objext) \
   a-stwima$(objext) \
   a-stwise$(objext) \
   a-stwisu$(objext) \

gcc/ada/a-stwiha.adb

+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT LIBRARY COMPONENTS                          --
+--                                                                          --
+--                A D A . S T R I N G S . W I D E _ H A S H                 --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 2004-2009, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- This unit was originally developed by Matthew J Heaney.                  --
+------------------------------------------------------------------------------
+
+with System.String_Hash;
+
+function Ada.Strings.Wide_Hash
+  (Key : Wide_String) return Containers.Hash_Type
+is
+   use Ada.Containers;
+   function Hash_Fun is new System.String_Hash.Hash
+     (Wide_Character, Wide_String, Hash_Type);
+begin
+   return Hash_Fun (Key);
+end Ada.Strings.Wide_Hash;