add threaddaemonize(), more bug fixes
diff --git a/src/libthread/mkfile b/src/libthread/mkfile
index a301d48..fc68149 100644
--- a/src/libthread/mkfile
+++ b/src/libthread/mkfile
@@ -6,6 +6,7 @@
 OFILES=\
 	$SYSOFILES\
 	channel.$O\
+	daemonize.$O\
 	exec.$O\
 	ioproc.$O\
 	iorw.$O\