+ * Set Vcs-* URLs to a https based one.
+ * Increase Standards-Version to 4.2.1 - no changes required.
+ * Build-Depend on debhelper-compat and change to compat level 11.
+ * Mark the binary package as Multi-Arch: same.
+ * Remove usage of dh-autoreconf, it's now a debhelper default.
+ * Drop explicit inclusion and export of dpkg-buildflags, handled
+ by debhelper nowadays.