f2fs: fix an endian conversion bug detected by sparse

This patch should fix the following bug reported by kbuild test robot.

fs/f2fs/recovery.c:233:33: sparse: incorrect type in assignment
(different base types)

parse warnings: (new ones prefixed by >>)

>> recovery.c:233: sparse: incorrect type in assignment (different base types)
   recovery.c:233:    expected unsigned int [unsigned] [assigned] ofs_in_node
   recovery.c:233:    got restricted __le16 [assigned] [usertype] ofs_in_node
>> recovery.c:238: sparse: incorrect type in assignment (different base types)
   recovery.c:238:    expected unsigned int [unsigned] ofs_in_node
   recovery.c:238:    got restricted __le16 [assigned] [usertype] ofs_in_node

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

fs/f2fs/recovery.c

@@ -246,12 +246,12 @@ static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi,
 		struct dnode_of_data tdn = *dn;
 		tdn.nid = nid;
 		tdn.node_page = dn->inode_page;
-		tdn.ofs_in_node = sum.ofs_in_node;
+		tdn.ofs_in_node = le16_to_cpu(sum.ofs_in_node);
 		truncate_data_blocks_range(&tdn, 1);
 		return 0;
 	} else if (dn->nid == nid) {
 		struct dnode_of_data tdn = *dn;
-		tdn.ofs_in_node = sum.ofs_in_node;
+		tdn.ofs_in_node = le16_to_cpu(sum.ofs_in_node);
 		truncate_data_blocks_range(&tdn, 1);
 		return 0;
 	}