Land rapid7#7168, Improve Meterpreter ps -A experience

Author: wwebb-r7

lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/sys.rb

@@ -448,7 +448,7 @@ def cmd_ps(*args)
           if val.nil? or val.empty?
             return false
           end
-          searched_procs << proc if proc["arch"] == val
+          searched_procs << proc if proc["arch"] == (val == 'x64' ? 'x86_64' : val)
         end
         processes = searched_procs
       when "-s"