fix(build_library): properly quote fields with spaces
fix(build_library): properly quote fields with spaces

quote COREOS_RELEASE_DESCRIPTION since it has spaces

bcwaldon/coreos-scripts,gtank/scripts,fivethreeo/scripts,coreos/scripts,smilart/scripts,nicescale/scripts,fivethreeo/scripts,BugRoger/scripts,mischief/scripts,glevand/coreos--scripts,crawford/scripts,crawford/scripts,sigma/coreos-scripts,vmware/coreos-scripts,andrejro/coreos--scripts,andrejro/coreos--scripts,sigma/coreos-scripts,endocode/scripts,endocode/scripts,coreos/scripts,bcwaldon/coreos-scripts,gtank/scripts,zhang0137/scripts,trnubo/scripts,mjg59/scripts,vmware/coreos-scripts,marineam/coreos-scripts,nicescale/scripts,mischief/scripts,BugRoger/scripts,smilart/scripts,andrejro/coreos--scripts,marineam/coreos-scripts,mischief/scripts,zhang0137/scripts,mjg59/scripts,trnubo/scripts,gtank/scripts,crawford/scripts,marineam/coreos-scripts,trnubo/scripts,fivethreeo/scripts,sigma/coreos-scripts,bcwaldon/coreos-scripts,mjg59/scripts,glevand/coreos--scripts,vmware/coreos-scripts,nicescale/scripts,endocode/scripts,BugRoger/scripts,zhang0137/scripts,smilart/scripts