alloca() lives in stdlib.h on FreeBSD
Only include linux/joystick.h on linux
ifdef out body of probe_joystick and process_joysticks on freebsd until a working implementation is completed
Unused comparison causes error on clang. Suspect this was a typo.
Merge branch 'freebsd-cleanup' of https://github.com/robmessick/godot into robmessick-freebsd-cleanup
Merge branch 'master' of https://github.com/okamstudio/godot