Video index rebuild fails to complete

[OzFalcon]

If the video index files are removed, Normally they are rebuilt.
Hypseus gets stuck rebuilding the .dat files on the first file.

Rebuilding the video index still works for pre overlay versions of Hypseus.
https://github.com/btolab/hypseus/tree/365c0e92d4015f2d504e0120f50354ab851f2782