package/samba4: bump version to 4.19.9

Various bugfixes. For details, see the release notes:

https://www.samba.org/samba/history/samba-4.19.7.html
https://www.samba.org/samba/history/samba-4.19.8.html
https://www.samba.org/samba/history/samba-4.19.9.html

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-4.19.6.tar.asc
-sha256  653b52095554dbc223c63b96af5cdf9e98c3e048549c5f56143d3b33dce1cef1  samba-4.19.6.tar.gz
+# https://download.samba.org/pub/samba/stable/samba-4.19.9.tar.asc
+sha256  71ed406444714c90bb9d36c576d807b67af15449f297e91106d42b3ca2fa5549  samba-4.19.9.tar.gz
 sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  COPYING

package/samba4/samba4.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SAMBA4_VERSION = 4.19.6
+SAMBA4_VERSION = 4.19.9
 SAMBA4_SITE = https://download.samba.org/pub/samba/stable
 SAMBA4_SOURCE = samba-$(SAMBA4_VERSION).tar.gz
 SAMBA4_INSTALL_STAGING = YES