accept NULL as a valid string in the proc message formating api.
authoreric <eric@openbsd.org>
Sun, 11 Nov 2018 14:00:51 +0000 (14:00 +0000)
committereric <eric@openbsd.org>
Sun, 11 Nov 2018 14:00:51 +0000 (14:00 +0000)
commitd6a7182727895a3a007b7c422af1128dd67d5849
tree55531f649c2256cadde749a5902d609064b3a7e5
parent7bc1b36b64c50ff67a3462357fae3adaf50ef160
accept NULL as a valid string in the proc message formating api.

ok gilles@
usr.sbin/smtpd/mproc.c