gcc-sanitizers: Fix build with glibc 2.31

Backport a patch from latest gcc-9-branch to fix an API change in glibc
2.31, this patch wont be needed when upgrading to 9.3 or 10.x

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>