UBIFS: remove unnecessary brackets

Remove unnecessary brackets in "inode->i_flags |= (S_NOCMTIME)" statement to
make the code not look silly.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ef5abd3..c6cbdd0 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -102,7 +102,7 @@
 	 * UBIFS has to fully control "clean <-> dirty" transitions of inodes
 	 * to make budgeting work.
 	 */
-	inode->i_flags |= (S_NOCMTIME);
+	inode->i_flags |= S_NOCMTIME;
 
 	inode_init_owner(inode, dir, mode);
 	inode->i_mtime = inode->i_atime = inode->i_ctime =