openssh: add ssh_host keys to openssh-server/conffiles

Signed-off-by: Peter Wagner <tripolar@gmx.at>

net/openssh/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openssh
 PKG_VERSION:=7.5p1
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/ \
@@ -93,6 +93,8 @@ endef
 
 define Package/openssh-server/conffiles
 /etc/ssh/sshd_config
+/etc/ssh/ssh_host_*_key
+/etc/ssh/ssh_host_*_key.pub
 endef
 
 define Package/openssh-server-pam