openssh: accept optional service/conf in the sshd runit service.

srcpkgs/openssh/files/sshd/run

@@ -1,3 +1,4 @@
 #!/bin/sh
-ssh-keygen -A # Will generate host keys if they don't already exist
-exec /usr/sbin/sshd -D
+ssh-keygen -A >/dev/null 2>&1 # Will generate host keys if they don't already exist
+[ -r conf ] && . ./conf
+exec /usr/sbin/sshd -D $OPTS

srcpkgs/openssh/template

@@ -1,7 +1,7 @@
 # Template file for 'openssh'
 pkgname=openssh
 version=6.7p1
-revision=8
+revision=9
 build_style=gnu-configure
 configure_args="--without-tcp-wrappers --datadir=/usr/share/openssh
  --sysconfdir=/etc/ssh --without-selinux --with-privsep-user=nobody