Build for Ubuntu trusty

Change-Id: I0219acf8bbed04ca0bfb4db3e27bff3210f00986
diff --git a/debian/compat b/debian/compat
index f599e28..ec63514 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-10
+9