tidy up pack_osx.sh by a bit
tidy up pack_osx.sh by a bit

yudachi/poi,syncsyncsynchalt/poi,gnattu/poi,gnattu/poi,PHELiOX/poi,syncsyncsynchalt/poi,yudachi/poi,poooi/poi,dushi792/poi,yudachi/poi,nagatoyk/poi,KagamiChan/poi,KagamiChan/poi,nagatoyk/poi,PHELiOX/poi,syncsyncsynchalt/poi,poooi/poi,syncsyncsynchalt/poi,poooi/poi,dushi792/poi,dushi792/poi,poooi/poi