solaris jail: two more privileges for unix domain sockets

When varnishd is started as root (or otherwise will a full privilege
set), the user will rightly expect that whatever permissions and mode
bits are set for a socket, varnishd will fix them to the specification
from the -a argument.

bin/varnishd/mgt/mgt_jail_solaris_tbl.h

@@ -59,7 +59,9 @@ PRIV(MASTER_FILE,	E	, "file_write")
 PRIV(MASTER_STORAGE,	E	, "file_read")
 PRIV(MASTER_STORAGE,	E	, "file_write")
 
-PRIV(MASTER_PRIVPORT,	E	, "file_write")	// bind(AF_UNIX)
+PRIV(MASTER_PRIVPORT,	E	, "file_write")		// bind(AF_UNIX)
+PRIV(MASTER_PRIVPORT,	E	, PRIV_FILE_CHOWN)	// user=
+PRIV(MASTER_PRIVPORT,	E	, PRIV_FILE_OWNER)	// mode=
 PRIV(MASTER_PRIVPORT,	E	, "net_access")
 PRIV(MASTER_PRIVPORT,	E	, PRIV_NET_PRIVADDR)