LU-7204 test: handle FSNAME with dashes in replay-single 85b

LU-7204 test: handle FSNAME with dashes in replay-single 85b

If FSNAME contains a dash, test_85b incorrectly parses lctl dl
output. Fix that.
Also changed the checking of before recovery count value
by using numeric comparison instead of string comparison.
Used tabs in place of spaces.

Test-Parameters: trivial testlist=replay-single envdefinitions=ONLY=85b
Seagate-bug-id: MRP-2792
Signed-off-by: HemaHarish <hema.yarramilli@seagate.com>
Change-Id: I392921b837dee573a704a3fec4b35c7bb79136bc
Reviewed-on: http://review.whamcloud.com/16902
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>