Commit f15d13d6ef8b6225c3c574c7d8ae6a6f0921b609

Ryan C. Gordon 2015-01-18T02:50:14

CMake: Removed unused variable (thanks, Felix!). "MACOSX_COREAUDIO" is actually an internal #define set up elsewhere, and this CMake var is never exported past the CMake script anyhow. Partially fixes Bugzilla #2807.