There's a closed pull request on the void-packages repository

eb: fix distfile
https://github.com/void-linux/void-packages/pull/49878

Description:
- I tested the changes in this PR: **NO**
- I built this PR locally for my native architecture, (x86_64-glibc)

Switched to file from official ftp. Previous location links to this ftp: https://web.archive.org/web/20210109054331/https://github.com/2ion/eb
https://github.com/void-linux/void-packages/issues/42403