Upgrade to Standards-Version: 3.9.8, no changes

debian/control

@@ -1,8 +1,8 @@
 Source: pptpd
 Maintainer: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
 Homepage: http://poptop.sourceforge.net/dox/
-Standards-Version: 3.9.6
-Build-Depends: debhelper (>= 9),
+Standards-Version: 3.9.8
+Build-Depends: debhelper (>= 9~),
     automake,
     dh-autoreconf,
     dh-systemd,