contrib/packaging/builddeb

--- a/contrib/packaging/builddeb	Tue Oct 09 22:24:38 2018 +0200
+++ b/contrib/packaging/builddeb	Tue Oct 09 22:29:10 2018 +0200
@@ -16,7 +16,7 @@
 
 cleanup() {
     if [ "$CLEANUP" ]; then
-        rm -r "$PWD/debian";
+        rm -r "$ROOTDIR/debian";
     fi
 }
 
@@ -51,6 +51,8 @@
     esac
 done
 
+cd "$ROOTDIR"
+
 trap 'cleanup' EXIT
 
 set -u