staging/lustre/lnet: remove unused variable in lnet_destroy_remote_nets_table

Local variable 'hash' is never used
found by Klocwork Insight tool

Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-on: http://review.whamcloud.com/9386
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4629
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Isaac Huang <he.huang@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lnet/lnet/api-ni.c

@@ -127,8 +127,7 @@ lnet_create_remote_nets_table(void)
 static void
 lnet_destroy_remote_nets_table(void)
 {
-	int		i;
-	struct list_head	*hash;
+	int i;
 
 	if (the_lnet.ln_remote_nets_hash == NULL)
 		return;
@@ -137,7 +136,8 @@ lnet_destroy_remote_nets_table(void)
 		LASSERT(list_empty(&the_lnet.ln_remote_nets_hash[i]));
 
 	LIBCFS_FREE(the_lnet.ln_remote_nets_hash,
-		    LNET_REMOTE_NETS_HASH_SIZE * sizeof(*hash));
+		    LNET_REMOTE_NETS_HASH_SIZE *
+		    sizeof(the_lnet.ln_remote_nets_hash[0]));
 	the_lnet.ln_remote_nets_hash = NULL;
 }