daemon: Make it systemd-activatable through the control socket
This enables gnome-keyring-daemon to be launched through the systemd socket activation mechanism, rather than through pam_gnome_keyring.so.
See gcr!67 (merged) for the background.
This enables gnome-keyring-daemon to be launched through the systemd socket activation mechanism, rather than through pam_gnome_keyring.so.
See gcr!67 (merged) for the background.