cleanup payload and exploit after failure

git-svn-id: file:///home/svn/incoming/trunk@2950 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/core/exploit_driver.rb

@@ -172,6 +172,10 @@ protected
 			end
 		rescue
 			elog("Exploit failed: #{$!}", 'core', LEV_0)
+
+			payload.stop_handler
+			exploit.cleanup
+
 			raise $!
 		end
 	end