Bump debhelper compatibility level to 10

debian/changelog

@@ -4,6 +4,7 @@ multistrap (2.2.2) UNRELEASED; urgency=medium
   * Move development to dgit
   * Move B-D on po4a to Build-Depends-Arch (it's not needed for the clean
     target)
+  * Bump debhelper compatibility level to 10
 
  -- Johannes Schauer <josch@debian.org>  Fri, 02 Dec 2016 23:25:07 +0100
 

debian/compat

@@ -1 +1 @@
-7
+10

debian/control

@@ -3,7 +3,7 @@ Section: utils
 Priority: optional
 Maintainer: Johannes Schauer <josch@debian.org>
 Uploaders: Wookey <wookey@debian.org>, Neil Williams <codehelp@debian.org>
-Build-Depends: cdbs, debhelper (>= 7)
+Build-Depends: cdbs, debhelper (>= 10)
 Build-Depends-Arch: po4a (>= 0.37.1)
 Build-Depends-Indep: intltool
 Standards-Version: 3.9.6