[C] Fix CMake install on MacOS.
[C] Fix CMake install on MacOS.

EvilMcJerkface/Aeron,EvilMcJerkface/Aeron,mikeb01/Aeron,EvilMcJerkface/Aeron,EvilMcJerkface/Aeron,mikeb01/Aeron,mikeb01/Aeron,mikeb01/Aeron