Bump debhelper compatibility to 9

debian/changelog

@@ -16,8 +16,9 @@ nut (2.7.3-1) UNRELEASED; urgency=low
     Refreshed
   * debian/control: Bump Standards-Version to 3.9.8 (no further changes)
   * debian/control: Add dh-python to the build-dependencies
+  * Bump debhelper compatibility to 9
 
- -- Laurent Bigonville <bigon@debian.org>  Sat, 16 Jul 2016 11:12:46 +0200
+ -- Laurent Bigonville <bigon@debian.org>  Sun, 17 Jul 2016 18:10:02 +0200
 
 nut (2.7.2-4) unstable; urgency=medium
 

debian/compat

@@ -1 +1 @@
-8
+9

debian/control

@@ -3,7 +3,7 @@ Section: admin
 Priority: optional
 Maintainer: Arnaud Quette <aquette@debian.org>
 Uploaders: Laurent Bigonville <bigon@debian.org>
-Build-Depends: debhelper (>= 8.1.3),
+Build-Depends: debhelper (>= 9),
                cdbs (>= 0.4.122~),
                autotools-dev,
                dh-autoreconf,