Translate the following English sentence to French:
"Yesterday we voted for the Galeote Quecedo report on a common Community diplomacy, which in the end was reduced to a report on a future college of common diplomacy."
Nous avons voté avant-hier le rapport Galeote Quecedo sur la diplomatie commune, qui s'est réduit en fin de compte à un rapport sur une future école de diplomatie commune.