Your patch has been applied upstream in https://github.com/hishamhm/htop/commit/c37be409a99441b2edcace1152eb2fe7cb2a8074 and will be in the next release.
Your patch has been applied upstream in https://github.com/hishamhm/htop/commit/c37be409a99441b2edcace1152eb2fe7cb2a8074 and will be in the next release.