[vala] Non-fast-forward update to branch wip/issue/781

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/issue/781' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  c6afcf7... codegen: Always assign original variable when consuming ins

Commits added to the branch:

  f3db800... codegen: Always assign original variable when consuming ins (*)

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