Set G_LOG_DOMAIN for prefixed log messages
Set G_LOG_DOMAIN for prefixed log messages

Define G_LOG_DOMAIN, as recommended by the GLib API reference, so that
log messages are prefixed with the library name.

http://developer.gnome.org/glib/stable/glib-Message-Logging.html#G-LOG-DOMAIN:CAPS

plotters/accounts-sso.libaccounts-glib,plotters/accounts-sso.libaccounts-glib,plotters/accounts-sso.libaccounts-glib