Update from 6.0.11 to 6.0.12.
Remove added to the upstream patch.
<ChangeLog>
Redis 6.0.12 Released Mon Mar 1 17:29:52 IST 2021
Upgrade urgency: LOW, fixes a compilation issue.
Bug fixes:
- Fix compilation error on non-glibc systems if jemalloc is not used (#8533)
</ChangeLog>