package/samba4: security bump version to 4.18.9

Fixes CVE-2018-14628:
https://www.samba.org/samba/security/CVE-2018-14628.html

Release notes:
https://www.samba.org/samba/history/samba-4.18.9.html

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/samba4/samba4.hash

@@ -1,4 +1,4 @@
 # Locally calculated after checking pgp signature
-# https://download.samba.org/pub/samba/stable/samba-4.18.8.tar.asc
-sha256  4fb87bceaeb01d832a59046c197a044b7e8e8000581548b5d577a6cda03344d1  samba-4.18.8.tar.gz
+# https://download.samba.org/pub/samba/stable/samba-4.18.9.tar.asc
+sha256  f455c1d6351ed3a36fc2cb6e8ab1bfd0effe54a56686ffd495d64ab52d50f245  samba-4.18.9.tar.gz
 sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  COPYING

package/samba4/samba4.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SAMBA4_VERSION = 4.18.8
+SAMBA4_VERSION = 4.18.9
 SAMBA4_SITE = https://download.samba.org/pub/samba/stable
 SAMBA4_SOURCE = samba-$(SAMBA4_VERSION).tar.gz
 SAMBA4_INSTALL_STAGING = YES