It's now FindMACOS_FRAMEWORKS.cmake.
(But is it actually *used*? CMakeLists.txt does the check itself.)
Change-Id: I6e972869b94da959dc7c9a3fccacfbd35e0e992c
Reviewed-on: https://code.wireshark.org/review/22163
Reviewed-by: Guy Harris <guy@alum.mit.edu>