Add a restriction specifying the existing earliest known Mac revision is only for 10.7 and 10.8.
Add a restriction specifying the existing earliest known Mac revision is only for 10.7 and 10.8.

nth10sd/funfuzz,nth10sd/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,MozillaSecurity/funfuzz,MozillaSecurity/funfuzz