changed postrm to be prerm and andded #DEBHELPER#

diff --git a/debian/overlay-boot.prerm b/debian/overlay-boot.prerm
new file mode 100755 (executable)
index 0000000..f98ae0c
--- /dev/null
+++ b/debian/overlay-boot.prerm
@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+
+case "$1" in
+     remove)
+       update-rc.d subhosts disable || true
+       ;;
+     *)
+        :
+        ;;
+esac
+
+#DEBHELPER#

diff --git a/debian/postrm b/debian/postrm
deleted file mode 100755 (executable)
index 9760d62..0000000
--- a/debian/postrm
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-set -e
-
-case "$1" in
-     remove)
-       update-rc.d subhosts disable || true
-       ;;
-     *)
-        :
-        ;;
-esac