zabbix: remove build timestamp

Build timestamp prevents reproducible builds [0].

[0] https://reproducible-builds.org/docs/timestamps/

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

admin/zabbix/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=zabbix
 PKG_VERSION:=3.2.7
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_HASH:=3ea0c299bd69bc728177128740f0476bc1a2c1de438330df5bbd8f5fc6090712

admin/zabbix/patches/110-reproducible-builds.patch

@@ -0,0 +1,13 @@
+Index: zabbix-3.2.7/src/libs/zbxcommon/str.c
+===================================================================
+--- zabbix-3.2.7.orig/src/libs/zbxcommon/str.c
++++ zabbix-3.2.7/src/libs/zbxcommon/str.c
+@@ -51,7 +51,7 @@ static const char	help_message_footer[]
+ void	version(void)
+ {
+ 	printf("%s (Zabbix) %s\n", title_message, ZABBIX_VERSION);
+-	printf("Revision %s %s, compilation time: %s %s\n\n", ZABBIX_REVISION, ZABBIX_REVDATE, __DATE__, __TIME__);
++	printf("Revision %s %s\n\n", ZABBIX_REVISION, ZABBIX_REVDATE);
+ 	puts(copyright_message);
+ }
+