Merge commit 'e723dce6f8ba1e8260433b6ecfe5a3262f4c7a99'

* commit 'e723dce6f8ba1e8260433b6ecfe5a3262f4c7a99':
  dvbsubdec: Use NULL instead of 0 as pointer value

This commit is a noop. The affected code isn't in our tree.

Merged-by: James Almer <jamrial@gmail.com>