package/samba4: security bump version to 4.19.3

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

Release notes:
https://www.samba.org/samba/history/samba-4.19.3.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-4.19.2.tar.asc
-sha256  9e63f0505e1c631f1db0b7a9349a51e925c026ca03af3fd5d812228bb597d393  samba-4.19.2.tar.gz
+# https://download.samba.org/pub/samba/stable/samba-4.19.3.tar.asc
+sha256  280553b90f131b1940580df293653c9e9bd8906201f5def6e5e8c160f0bfac96  samba-4.19.3.tar.gz
 sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  COPYING

package/samba4/samba4.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SAMBA4_VERSION = 4.19.2
+SAMBA4_VERSION = 4.19.3
 SAMBA4_SITE = https://download.samba.org/pub/samba/stable
 SAMBA4_SOURCE = samba-$(SAMBA4_VERSION).tar.gz
 SAMBA4_INSTALL_STAGING = YES