Make VTP_Close capable of dealing with STOLEN vtps
Make VTP_Close capable of dealing with STOLEN vtps

The change from shutdown(.., SHUT_WR) to shutdown(.., SHUT_RDWR) is
required to make it trigger a waiter event.

gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache