Replace a scsi_done() call with sr_scsi_done() which fixes a missing splx() call.
Replace a scsi_done() call with sr_scsi_done() which fixes a missing
splx() call.

Found by jsg@ using the clang static analyser.

ok marco@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars