Post require on gpg_creds

Author: todb

modules/post/multi/gather/gpg_creds.rb

@@ -11,8 +11,9 @@
 
 require 'msf/core'
 require 'rex'
-require 'msf/core/post/file'
 require 'msf/core/post/common'
+require 'msf/core/post/file'
+require 'msf/core/post/unix'
 
 class Metasploit3 < Msf::Post