* g10/mainproc.c (struct mainproc_context): It's now pubkey_enc_list.
(do_proc_packets): Remove the first arg CTRL.  Fix call of
proc_pubkey_enc.
(release_list): Handle pubkey_enc_list.
(proc_pubkey_enc): Remove the first arg CTRL.  Simply put the packet
to pubkey_enc_list.
(print_pkenc_list): Remove the last arg FAILED.
(proc_encrypted): Only call print_pkenc_list once.
Handle DEK here.
(proc_packets, proc_signature_packets, proc_signature_packets_by_fd)
(proc_encryption_packets): Fix call of do_proc_packets.
* g10/packet.h (struct pubkey_enc_list): Define.
* g10/pubkey-enc.c (get_it): Change the second argument K.
(get_session_key): Select session key by LIST, using enum_secret_keys.
* g10/gpgv.c (get_session_key): Change the second argument K.
* g10/test-stubs.c (get_session_key): Likewise.