simple patch to get all privileges after a successful getsystem

git-svn-id: file:///home/svn/framework3/trunk@8321 4d416f70-5f16-0410-b530-b9f4589650da

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

@@ -70,6 +70,8 @@ class Priv < Extension
 		technique = response.get_tlv_value( TLV_TYPE_ELEVATE_TECHNIQUE )
 		
 		if( response.result == 0 and technique != nil )
+			client.core.use( "stdapi" ) if not client.ext.aliases.include?( "stdapi" )
+			client.sys.config.getprivs
 			return [ true, technique ]
 		end