Updated haproxy to 2.4.1

Makefile

 all: haproxy-cfg
-	tar xf haproxy-2.1.7.tar.gz
-	$(MAKE) -C haproxy-2.1.7 TARGET=linux-glibc USE_PCRE=1 USE_PCRE_JIT=1 USE_OPENSSL=1 USE_ZLIB=1 USE_TFO=1 USE_SYSTEMD=1
-	$(MAKE) -C haproxy-2.1.7 install PREFIX=/usr
-	$(MAKE) -C haproxy-2.1.7/contrib/systemd PREFIX=/usr
+	tar xf haproxy-2.4.1.tar.gz
+	$(MAKE) -C haproxy-2.4.1 TARGET=linux-glibc USE_PCRE=1 USE_PCRE_JIT=1 USE_OPENSSL=1 USE_ZLIB=1 USE_TFO=1 USE_SYSTEMD=1
+	$(MAKE) -C haproxy-2.4.1 install PREFIX=/usr
+	$(MAKE) -C haproxy-2.4.1/contrib/systemd PREFIX=/usr
 	@echo "d /run/haproxy 755 root root -" > /usr/lib/tmpfiles.d/haproxy.conf
-	cp haproxy-2.1.7/contrib/systemd/haproxy.service /lib/systemd/system/haproxy.service
+	cp haproxy-2.4.1/contrib/systemd/haproxy.service /lib/systemd/system/haproxy.service
 	systemctl enable haproxy
 	mkdir -p /etc/haproxy
 	@echo "$$HAPROXY_CFG" > /etc/haproxy/haproxy.cfg
@@ -13,7 +13,7 @@ all: haproxy-cfg
 	install -v -Dm755 haproxy_stats.sh /usr/bin
 	sed -e '/^UserParameter=device\.product.*/a UserParameter=haproxy.stats[*],/usr/bin/haproxy_stats.sh $$1 $$2 $$3 $$4' -i /etc/zabbix_agentd.conf
 	sed -e '/^UserParameter=device\.product.*/a UserParameter=haproxy.list.discovery[*],/usr/bin/haproxy_discovery.sh $$1 $$2' -i /etc/zabbix_agentd.conf
-	rm -rf haproxy-2.1.7
+	rm -rf haproxy-2.4.1
 
 haproxy-cfg:
 define HAPROXY_CFG