f2fs: fix wrong condition for unlikely

This patch fixes the wrongly used unlikely condition.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 430163d..26b94bb 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -933,7 +933,7 @@
 	/* Here, we only have one bio having CP pack */
 	sync_meta_pages(sbi, META_FLUSH, LONG_MAX);
 
-	if (unlikely(!is_set_ckpt_flags(ckpt, CP_ERROR_FLAG))) {
+	if (!is_set_ckpt_flags(ckpt, CP_ERROR_FLAG)) {
 		clear_prefree_segments(sbi);
 		release_dirty_inode(sbi);
 		F2FS_RESET_SB_DIRT(sbi);