CamelService: Use CamelAsyncClosure.
CamelService: Use CamelAsyncClosure.

Relinquish its internal 'AsyncClosure' struct, which is identical.

matzipan/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server