fix dhcpcd handling of Release dbus msg

dhcpcd-dbus.c

 /*
  * dhcpcd-dbus
  * Copyright 2009 Roy Marples <roy@marples.name>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 468 matching lines @@
                 return version(con, msg, VERSION);
         } else if (IsMethod(msg, "GetInterfaces")) {
                 return dhcpcd_get_interfaces(con, msg);
         } else if (IsMethod(msg, "GetStatus")) {
                 return return_status(con, msg);
         } else if (IsMethod(msg, "Rebind")) {
                 start_interface(ifaces);
                 return dbus_ack(con, msg);
         } else if (IsMethod(msg, "Release")) {
                 send_release(ifaces);
-                stop_interface(ifaces);
                 return dbus_ack(con, msg);
         } else if (IsMethod(msg, "Stop")) {
                 stop_interface(ifaces);
                 (void) dbus_ack(con, msg);
                 exit(EXIT_FAILURE);
         } else if (dbus_message_is_signal(msg, DBUS_INTERFACE_LOCAL,
                                           "Disconnected")) {
                 stop_interface(ifaces);
                 exit(EXIT_FAILURE);
         }
@@ skipping 108 matching lines @@
                         syslog(LOG_ERR, "write_lease: %m");
         }
         return 0;
 }
 
 int
 run_script(const struct interface *ifp)
 {
         return 0;
 }