can just continue after readpassphrase returns null, the sighandler will
authortedu <tedu@openbsd.org>
Sat, 8 Jul 2017 22:01:09 +0000 (22:01 +0000)
committertedu <tedu@openbsd.org>
Sat, 8 Jul 2017 22:01:09 +0000 (22:01 +0000)
commitc24b2f3d2e4baf148da4d09ab97a3037f16a29d3
tree36508bead409cff9153da88de5f3832a858516f0
parentecbfaa9d70c7fe89184d9454d1d4e937f450c473
can just continue after readpassphrase returns null, the sighandler will
have already printed a message.
from Scott Cheloha
usr.bin/lock/lock.c