Adding necessary shabang which prevents an error on chef run.

service[zabbix_agentd] (zabbix::agent_prebuild line 24) had an error: Errno::ENOEXEC: Exec format error - /etc/init.d/zabbix_agentd status

was the offending error message.
Remove the accidentally added hash.
Merge pull request #34 from justinabrahms/master

Add missing shabang for init file.