Fix M3U8 key URL extraction.
Fix M3U8 key URL extraction.

The URL was extracted with its quotes
  "https://..."
instead of
  https://...

Remove the quotes when parsing the URL attribute.

canatella/gpac,canatella/gpac,canatella/gpac,canatella/gpac,canatella/gpac,canatella/gpac,canatella/gpac