make want_deadline even more negative. the offset machinery seems to need that.

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@3740 0c269be4-1314-0410-8aa9-9f06e86f4224

drivers/netjack/netjack.c

@@ -169,7 +169,7 @@ int netjack_wait( netjack_driver_state_t *netj )
 
 	int want_deadline;
 	if( netj->latency < 4 )
-		want_deadline = -netj->period_usecs/4;
+		want_deadline = -netj->period_usecs/2;
 	else
 		want_deadline = (netj->period_usecs/4+10*(int)netj->period_usecs*netj->latency/100);