switch posix_acl_equiv_mode() to umode_t *

... so that &inode->i_mode could be passed to it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c
index 74a3c64..3091f62 100644
--- a/fs/ext3/acl.c
+++ b/fs/ext3/acl.c
@@ -199,12 +199,10 @@
 		case ACL_TYPE_ACCESS:
 			name_index = EXT3_XATTR_INDEX_POSIX_ACL_ACCESS;
 			if (acl) {
-				mode_t mode = inode->i_mode;
-				error = posix_acl_equiv_mode(acl, &mode);
+				error = posix_acl_equiv_mode(acl, &inode->i_mode);
 				if (error < 0)
 					return error;
 				else {
-					inode->i_mode = mode;
 					inode->i_ctime = CURRENT_TIME_SEC;
 					ext3_mark_inode_dirty(handle, inode);
 					if (error == 0)