another gcc-4.5 warning fix

[Alan Modra]

Somehow I missed committing this with the other patches.

	* readelf.c (uncompress_section_contents): Avoid gcc-4.6 warning.

Index: binutils/readelf.c
===================================================================
RCS file: /cvs/src/src/binutils/readelf.c,v
retrieving revision 1.504
diff -u -p -r1.504 readelf.c
--- binutils/readelf.c	3 Jul 2010 20:52:23 -0000	1.504
+++ binutils/readelf.c	6 Jul 2010 09:22:38 -0000
@@ -9869,12 +9869,10 @@ dump_section_as_bytes (Elf_Internal_Shdr
    This is a copy of bfd_uncompress_section_contents, in bfd/compress.c  */
 
 static int
-uncompress_section_contents (unsigned char ** buffer, dwarf_size_type * size)
+uncompress_section_contents (unsigned char **buffer ATTRIBUTE_UNUSED,
+			     dwarf_size_type *size ATTRIBUTE_UNUSED)
 {
 #ifndef HAVE_ZLIB_H
-  /* These are just to quiet gcc.  */
-  buffer = 0;
-  size = 0;
   return FALSE;
 #else
   dwarf_size_type compressed_size = *size;

-- 
Alan Modra
Australia Development Lab, IBM