[PATCH] elf/dl-lookup.c: Remove unused variable

[Marek Polacek]

As reported by GCC's -Wunused-but-set-variable, the variable `nchain'
is not used, thus not needed.

2011-06-28  Marek Polacek  <mpolacek@redhat.com>

	* elf/dl-lookup.c (_dl_setup_hash): Remove unused variable.

--- libc/elf/dl-lookup.c.mp     2011-06-28 17:21:09.409592032 +0200
+++ libc/elf/dl-lookup.c        2011-06-28 17:21:20.160480113 +0200
@@ -860,7 +860,6 @@ internal_function
 _dl_setup_hash (struct link_map *map)
 {
   Elf_Symndx *hash;
-  Elf_Symndx nchain;
 
   if (__builtin_expect (map->l_info[DT_ADDRTAGIDX (DT_GNU_HASH) + DT_NUM
                                    + DT_THISPROCNUM + DT_VERSIONTAGNUM
@@ -892,7 +891,6 @@ _dl_setup_hash (struct link_map *map)
   hash = (void *) D_PTR (map, l_info[DT_HASH]);
 
   map->l_nbuckets = *hash++;
-  nchain = *hash++;
   map->l_buckets = hash;
   hash += map->l_nbuckets;
   map->l_chain = hash;