webvtt: yyerror() should return void

This is the return type recommended by the GNU/Bison reference infodoc.

Refs #27180 (closed).

changed milestone to %4.0

added Component::Subtitles Severity::trivial labels

added MRStatus::Reviewable label

added MRStatus::Accepted label and removed MRStatus::Reviewable label

MR Acceptance result

This MergeRequest has been Accepted! Congratulations.

MR acceptance checks details:

• MR should be considered mergeable by Gitlab
• Last pipeline should be successful
• No activity on MR (no thread, no vote) and last update is long enough

This message was automatically generated by homer-bot.

added 21 commits

• c9e3f1f4...5db447c8 - 20 commits from branch videolan:master
• 4c999964 - webvtt: yyerror() should return void

Compare with previous version

enabled an automatic merge when the pipeline for 4c999964 succeeds

merged