[gtest] Fix building on OpenBSD/sparc64 (#145225)
Cherry pick a patch from 1.15.0
Add missing include for raise(3)
https://github.com/google/googletest/commit/7f036c5563af7d0329f20e8bb42effb04629f0c0
(cherry picked from commit 68239b76f139e44d24f3949383e3fd4bf389e1c9)
