zabbix: update to zabbix 3.0.1

zabbix-agent doesn't exist anymore since 3.0

'-f' option (foreground) is now in zabbix-agentd

003-change-user-and-foreground.patch fixes pending
issue https://support.zabbix.com/browse/ZBX-10611

you might need to update your config file to add
LogType=system

Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com>

admin/zabbix/patches/100-musl-compat.patch

@@ -10,7 +10,7 @@
    sys/vmmeter.h strings.h vm/vm_param.h \
    sys/time.h kstat.h sys/syscall.h sys/sysmacros.h \
 @@ -63,6 +63,11 @@ AC_CHECK_HEADERS(stdio.h stdlib.h string
-   sys/timeb.h Winber.h lber.h ws2tcpip.h inttypes.h sys/file.h grp.h \
+   Winber.h lber.h ws2tcpip.h inttypes.h sys/file.h grp.h \
    execinfo.h libperfstat.h sys/systemcfg.h sys/mnttab.h mntent.h sys/times.h \
    dlfcn.h sys/utsname.h)
 +AC_CHECK_HEADERS(sys/sysinfo.h, [], [], [