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/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 89ebc77..6da0396e 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -272,12 +272,10 @@
 	case ACL_TYPE_ACCESS:
 		name = POSIX_ACL_XATTR_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;
 				if (error == 0)
 					acl = NULL;
 			}