added data directory for mac to antivirus doc
added data directory for mac to antivirus doc

might solve #7136
londoncalling/docker.github.io,anweiss/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,londoncalling/docker.github.io,londoncalling/docker.github.io,londoncalling/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,anweiss/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io