There is an updated pull request by jirib against master on the void-packages repository

https://github.com/jirib/void-packages corosync
https://github.com/void-linux/void-packages/pull/14061

[WIP] New package: corosync-3.0.2
The Corosync Cluster Engine is a Group Communication System with additional features for implementing high availability within applications.

Needed for future pacemaker package.

A patch file from https://github.com/void-linux/void-packages/pull/14061.patch is attached