There is an updated pull request by jdu9 against master on the void-packages repository

https://github.com/jdu9/void-packages monero-gui-fix
https://github.com/void-linux/void-packages/pull/18083

monero-gui: add missing dep qt5-xmlpatterns
`qt5-xmlpatterns` is needed during runtime, otherwise the program exits with the following error message:

> 2020-01-06 23:28:27.251	W QQmlApplicationEngine failed to load component
> 2020-01-06 23:28:27.251	W qrc:/main.qml:1701 Type WizardLang unavailable
> 2020-01-06 23:28:27.251	W qrc:/wizard/WizardLang.qml:32 module "QtQuick.XmlListModel" is not installed
> 2020-01-06 23:28:27.251	E Error: no root objects

A patch file from https://github.com/void-linux/void-packages/pull/18083.patch is attached