Add BuildReq zlib-devel

zabbix.spec

@@ -1,5 +1,5 @@
 Name:           zabbix
-Version:        3.4.15
+Version:        4.0.1
 Release:        1%{?dist}
 Summary:        Open-source monitoring solution for your IT infrastructure
 
@@ -35,6 +35,7 @@ BuildRequires:  unixODBC-devel
 BuildRequires:  OpenIPMI-devel
 BuildRequires:  libevent-devel
 BuildRequires:  pcre-devel
+BuildRequires:  zlib-devel
 %if 0%{?rhel} >= 6
 BuildRequires:  libssh2-devel
 BuildRequires:  selinux-policy-devel