Add semicolon as trailing character for Desktop Entry Keywords[bs]
Add semicolon as trailing character for Desktop Entry Keywords[bs]

Otherwise build will fail due to the check of the .desktop file.

martinra/geary,tshikaboom/geary,aatishnn/geary,martinra/geary,AtticHacker/geary,tshikaboom/geary,martinra/geary,jimbonator/geary,emersion/geary,mjog/geary,emersion/geary,mjog/geary,githubnemo/geary,jimbonator/geary,tshikaboom/geary,jimbonator/geary,aatishnn/geary,aatishnn/geary,githubnemo/geary,AtticHacker/geary,githubnemo/geary,AtticHacker/geary,robol/geary,glebihan/geary,glebihan/geary,robol/geary,robol/geary,emersion/geary,glebihan/geary,mjog/geary