bullet: Backport upstream patch to fix clang 8 build
Created by: akien-mga
Fixes #32301 (closed), fixes #29503 (closed).
Backport of https://github.com/bulletphysics/bullet3/pull/2232.
Created by: akien-mga
Fixes #32301 (closed), fixes #29503 (closed).
Backport of https://github.com/bulletphysics/bullet3/pull/2232.