That is, use debian/ldirectord.init rather than
ldirectord/init.d/ldirectord

Signed-off-by: Simon Horman <horms@verge.net.au>

Index: cluster-agents-1.0.really.1.0.2.rc1/debian/ldirectord.postinst
===================================================================
--- cluster-agents-1.0.really.1.0.2.rc1.orig/debian/ldirectord.postinst	2010-02-04 21:33:02.000000000 +0900
+++ cluster-agents-1.0.really.1.0.2.rc1/debian/ldirectord.postinst	2010-02-04 21:33:22.000000000 +0900
@@ -26,11 +26,7 @@ set -e
 #     `abort-remove' or `abort-deconfigure'.
 
 case "$1" in
-    configure)
-    	update-rc.d ldirectord defaults >/dev/null
-    ;;
-
-    abort-upgrade|abort-remove|abort-deconfigure)
+    configure|abort-upgrade|abort-remove|abort-deconfigure)
     ;;
 
     *)
Index: cluster-agents-1.0.really.1.0.2.rc1/debian/ldirectord.postrm
===================================================================
--- cluster-agents-1.0.really.1.0.2.rc1.orig/debian/ldirectord.postrm	2010-02-04 21:33:02.000000000 +0900
+++ cluster-agents-1.0.really.1.0.2.rc1/debian/ldirectord.postrm	2010-02-04 21:33:27.000000000 +0900
@@ -21,7 +21,6 @@ set -e
 
 case "$1" in
        purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
-	update-rc.d -f ldirectord remove >/dev/null
         ;;
 
     *)
Index: cluster-agents-1.0.really.1.0.2.rc1/debian/rules
===================================================================
--- cluster-agents-1.0.really.1.0.2.rc1.orig/debian/rules	2010-02-04 21:32:30.000000000 +0900
+++ cluster-agents-1.0.really.1.0.2.rc1/debian/rules	2010-02-04 22:02:34.000000000 +0900
@@ -71,6 +71,7 @@ binary-common:
 	dh_testroot
 	dh_installdocs
 	dh_installchangelogs
+	dh_installinit
 	dh_strip
 	dh_compress
 	dh_fixperms