Small autogen.sh cleanup: Be a good *nix citizen and be quiet when everything works. Furthermore, terminate immediately when a tool fails.
Small autogen.sh cleanup: Be a good *nix citizen and be quiet when everything works. Furthermore, terminate immediately when a tool fails.

git-svn-id: 087a85b326a794423dfa0ff3be61add8c466d684@567 109fce75-3012-0410-ac6a-932efec96c1b

openclonk/freealut,SwiftsNamesake/freealut,openclonk/freealut,SwiftsNamesake/freealut