xmrig 6.19.0 fails to compile on 32bit systems with clang15
**Describe the bug**
FreeBSD recently imported llvm15 to the main branch. CI detected that xmrig 6.19.0 fails to compile on 32bit systems with clang15. It builds fine with clang14 on 32bit systems.

**To Reproduce**
Build xmrig 6.19.0 with clang15.

**Expected behavior**
Expect the port to compile.

**Required data**
Full build log: https://lists.freebsd.org/archives/freebsd-pkg-fallout/2023-February/324703.html