f2fs: use missing the use of f2fs_kunmap_page

This patch calls f2fs_kunmap_page which I missed before.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2014-12-13 13:13:11 -08:00
commit 5df1f1da7a