minor tweak to Debian setup
minor tweak to Debian setup

lsgunth/rapidsms,peterayeni/rapidsms,peterayeni/rapidsms,caktus/rapidsms,ehealthafrica-ci/rapidsms,lsgunth/rapidsms,peterayeni/rapidsms,catalpainternational/rapidsms,lsgunth/rapidsms,ehealthafrica-ci/rapidsms,lsgunth/rapidsms,eHealthAfrica/rapidsms,caktus/rapidsms,ehealthafrica-ci/rapidsms,eHealthAfrica/rapidsms,catalpainternational/rapidsms,peterayeni/rapidsms,caktus/rapidsms,eHealthAfrica/rapidsms,catalpainternational/rapidsms,catalpainternational/rapidsms