[monodevelop-vala/f16] (3 commits) ...add some workaround for newer libvala version

[Christian Krause]

Summary of changes:

  88b12f7... Update to 2.8.1 Fix Requires: and BR: Add file missing in u (*)
  866bbb0... update sources (*)
  e466414... add some workaround for newer libvala version (*)

(*) This commit already existed in another branch; no separate mail sent