UBIFS: fix minor stylistic issues

Fix several minor stylistic issues:
* lines longer than 80 characters
* space before closing parenthesis ')'
* spaces in the indentations

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index de48597..8119b1f 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -2557,11 +2557,11 @@
 		if (err) {
 			/* Ensure the znode is dirtied */
 			if (znode->cnext || !ubifs_zn_dirty(znode)) {
-				    znode = dirty_cow_bottom_up(c, znode);
-				    if (IS_ERR(znode)) {
-					    err = PTR_ERR(znode);
-					    goto out_unlock;
-				    }
+				znode = dirty_cow_bottom_up(c, znode);
+				if (IS_ERR(znode)) {
+					err = PTR_ERR(znode);
+					goto out_unlock;
+				}
 			}
 			err = tnc_delete(c, znode, n);
 		}