Advertise new canonical upstream URL in the Homepage control field.

debian/control

@@ -8,7 +8,7 @@ Build-Depends:
  dh-autoreconf
 Build-Conflicts: autoconf2.13
 Standards-Version: 3.9.4
-Homepage: https://labs.riseup.net/code/projects/show/backupninja
+Homepage: https://labs.riseup.net/code/projects/backupninja
 Vcs-Browser: https://labs.riseup.net/code/projects/backupninja/repository/show?rev=debian
 Vcs-Git: git://labs.riseup.net/backupninja.git