Change elevator to 'elevator'

This would have made lots of people uhnappy.

Author: OJ

lib/rex/post/meterpreter/extensions/priv/priv.rb

@@ -45,7 +45,7 @@ def getsystem( technique=0 )
 
     elevator_name = Rex::Text.rand_text_alpha_lower( 6 )
 
-    elevator_path = MeterpreterBinaries.path(elevator, client.binary_suffix)
+    elevator_path = MeterpreterBinaries.path('elevator', client.binary_suffix)
 
     elevator_path = ::File.expand_path( elevator_path )