fix: Fix failure on very short WebVTT files#1216

Merged

joeyparrish merged 1 commit intoshaka-project:mainfrom x-projs:fix

Jul 12, 2023

+5-2

Commits on Jun 8, 2023

Fix a bug that if the webvtt file is very short, e.g. only contains one block:
xieyubo
committed