fix(build_packages): Fix check for .boto, argument name was wrong.
fix(build_packages): Fix check for .boto, argument name was wrong.

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