fs/btrfs/tree-log.c: Fix closing brace followed by if

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

fs/btrfs/tree-log.c

@@ -3980,7 +3980,8 @@ again:
 		if (ret < 0) {
 			err = ret;
 			goto out_unlock;
-		} if (ret) {
+		}
+		if (ret) {
 			ins_nr = 0;
 			btrfs_release_path(path);
 			continue;