There is a new pull request by ndowens against master on the void-packages repository

https://github.com/ndowens/void-packages libstrophe
https://github.com/void-linux/void-packages/pull/16270

libstrophe: update to 0.9.3
Memory leak patch is now part of src,
remove un-needed patch

A patch file from https://github.com/void-linux/void-packages/pull/16270.patch is attached