LU-5048 ldiskfs: SLES ext4-mballoc-extra-checks patch fix

Original SLES patch version, from LU-1812, was missing a latest hunk.
This caused OSTs to be put in read-only mode due to wrong
inconsistencies detected.

Signed-off-by: Bruno Faccini <bruno.faccini@intel.com>
Change-Id: I9eb948a7ffbc6dbd11598d11ba94f51902e1e71e
Reviewed-on: http://review.whamcloud.com/10294
Tested-by: Jenkins
Reviewed-by: Yang Sheng <yang.sheng@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Tested-by: Maloo <hpdd-maloo@intel.com>