fstests: Don't use gawk's strtonum breaking existing fstests

Nikolay Borisov
2019-12-11T15:53:48Z

Hello,

Following upstream commit:
https://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git/commit/?id=37520a314bd472ed720ed0611c6b69e418be9b61

breaks btrfs/095 and btrfs/098 tests.