Add missing rank

Author: wvu

modules/exploits/linux/local/kloxo_lxsuexec.rb

@@ -10,6 +10,8 @@
 
 class MetasploitModule < Msf::Exploit::Local
 
+  Rank = ExcellentRanking
+
   include Msf::Exploit::EXE
   include Msf::Post::File
   include Msf::Exploit::FileDropper