Btrfs: make show_options result match actual option names

The notreelog and flushoncommit mount options were being printed slightly
differently.

Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index bf0e84c..e99510b 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -436,9 +436,9 @@
 	if (btrfs_test_opt(root, SSD))
 		seq_puts(seq, ",ssd");
 	if (btrfs_test_opt(root, NOTREELOG))
-		seq_puts(seq, ",no-treelog");
+		seq_puts(seq, ",notreelog");
 	if (btrfs_test_opt(root, FLUSHONCOMMIT))
-		seq_puts(seq, ",flush-on-commit");
+		seq_puts(seq, ",flushoncommit");
 	if (!(root->fs_info->sb->s_flags & MS_POSIXACL))
 		seq_puts(seq, ",noacl");
 	return 0;