Fix 'resume support' detection on FreeBSD

[pit3k]

FreeBSD does not accept options at the end, so without this fix it always fails:

$ uname -sr
FreeBSD 11.2-RELEASE
$ /sbin/zfs get receive_resume_token -d 0
cannot open '-d': dataset does not exist
cannot open '0': dataset does not exist
$ /sbin/zfs get -d 0 receive_resume_token
NAME      PROPERTY              VALUE      SOURCE
newzroot  receive_resume_token  -          -

[jimsalterjrs]

Only changes order of arguments. Works fine either way on Linux (tested right now on Bionic workstation). I'll take your word about it fixing BSD. Approved.

[jimsalterjrs]

Thank you for the patch, @pit3k. Merged.