Restore require 'msf/core'

Author: wchen-r7

modules/exploits/linux/http/wipg1000_cmd_injection.rb

@@ -3,6 +3,8 @@
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
+require 'msf/core'
+
 class MetasploitModule < Msf::Exploit::Remote
   Rank = ExcellentRanking