Actually use the timeout in winrm cmd

Author: David Maloney

lib/msf/core/exploit/winrm.rb

@@ -49,7 +49,7 @@ def winrm_poke(timeout = 20)
 				'method' => 'POST',
 				'ctype'     => ctype,
 				'data'        => opts['data']
-			}))
+			}), to)
 			return resp
 		end