f2fs: add missing version info in superblock

The mkfs.f2fs remains kernel version in superblock, but f2fs module has not
added that so far.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-04-20 11:52:23 -07:00
commit 0040b93318