[XFS] Remove unused argument to xfs_bmap_finish

The firstblock argument to xfs_bmap_finish is not used by that function.
Remove it and cleanup the code a bit.

Patch provided by Eric Sandeen.

SGI-PV: 960196
SGI-Modid: xfs-linux-melb:xfs-kern:28034a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 3aa7715..c76358b 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -484,7 +484,7 @@
 
 	xfs_trans_bhold(tp, bp);
 
-	if ((error = xfs_bmap_finish(tpp, &flist, firstblock, &committed))) {
+	if ((error = xfs_bmap_finish(tpp, &flist, &committed))) {
 		goto error1;
 	}