opensmtpd-extras: fixup after mariadb changes

I hope this was the only package I've forgotten.

+1 -1
+1 -1
pkgs/servers/mail/opensmtpd/extras.nix
··· 11 11 12 12 nativeBuildInputs = [ pkgconfig ]; 13 13 buildInputs = [ openssl libevent 14 - libasr python2 lua5 perl mariadb postgresql sqlite hiredis ]; 14 + libasr python2 lua5 perl mariadb.client postgresql sqlite hiredis ]; 15 15 16 16 configureFlags = [ 17 17 "--sysconfdir=/etc"