Merge commit '5efd91284e56d444139ed811671c59a129bbb92f'

This commit is no-op. The affected piece of code does not
exist in FFmpeg.

* commit '5efd91284e56d444139ed811671c59a129bbb92f':
  avprobe: do not call avio_close() on a custom context

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>