Further updates to icons/CMakeLists.txt
Further updates to icons/CMakeLists.txt

orlandosanchez/geary,kyoushuu/geary,rschroll/geary,emersion/geary,AtticHacker/geary,mjog/geary,kpiwko/geary,emersion/geary,jimbonator/geary,geekvigilante/geary,dominickm/Geary,aatishnn/geary,emersion/geary,orlandosanchez/geary,robol/geary,mjog/geary,mjog/geary,jimbonator/geary,AtticHacker/geary,martinra/geary,githubnemo/geary,tshikaboom/geary,tshikaboom/geary,martinra/geary,dominickm/Geary,aatishnn/geary,tshikaboom/geary,rschroll/geary,aatishnn/geary,glebihan/geary,jimbonator/geary,orlandosanchez/geary,kyoushuu/geary,githubnemo/geary,martinra/geary,mpdeimos/geary,robol/geary,robol/geary,MohamedIM/geary-unofficial,AtticHacker/geary,glebihan/geary,glebihan/geary,githubnemo/geary,abn/geary