Add an entry for CMAKE_OSX_DEPLOYMENT_TARGET to the CMake section.
Change-Id: I6b15d0e3dfeb501b61049b09a0cb94f6a9297353
Reviewed-on: https://code.wireshark.org/review/37337
Reviewed-by: Gerald Combs <gerald@wireshark.org>
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>