PATCH: remove libiberty warning in getopt.c

[Ben Elliston <bje+dated+1122437228 dot 4b4d71 at air dot net dot au>]

On systems that don't #define _LIBC, the postprocessed body of the
_getopt_initialized doesn't refer to argc and argv.  Okay for
mainline?

2005-07-22  Ben Elliston  <bje@gnu.org>

        * getopt.c: Include "ansidecl.h".
        (_getopt_initialize): Mark argc and argv parameters as unused.

Index: getopt.c
===================================================================
RCS file: /cvs/gcc/gcc/libiberty/getopt.c,v
retrieving revision 1.11
diff -u -p -r1.11 getopt.c
--- getopt.c    24 May 2005 20:48:23 -0000      1.11
+++ getopt.c    22 Jul 2005 04:06:33 -0000
@@ -3,8 +3,8 @@
    "Keep this file name-space clean" means, talk to drepper@gnu.org
    before changing it!
 
-   Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98
-       Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+   1996, 1997, 1998, 2005 Free Software Foundation, Inc.
 
    NOTE: This source is derived from an old version taken from the GNU C
    Library (glibc).
@@ -43,6 +43,7 @@
 #endif
 
 #include <stdio.h>
+#include "ansidecl.h"
 
 /* Comment out all this code if we are using the GNU C Library, and are not
    actually compiling the library itself.  This code is part of the GNU C
@@ -397,7 +398,9 @@ exchange (char **argv)
 static const char *_getopt_initialize (int, char *const *, const char *);
 #endif
 static const char *
-_getopt_initialize (int argc, char *const *argv, const char *optstring)
+_getopt_initialize (int argc ATTRIBUTE_UNUSED,
+                   char *const *argv ATTRIBUTE_UNUSED,
+                   const char *optstring)
 {
   /* Start processing options with ARGV-element 1 (since ARGV-element 0
      is the program name); the sequence of previously skipped

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