The underlying code causes an invalid error message on DBus 0.92.
"dbus_shutdown() called but connections were still live!"

-------------------
#define DBUS_API_SUBJECT_TO_CHANGE
#include <dbus/dbus.h>
#include <stdio.h>

int
main() {
    DBusConnection* conn;
    DBusError err;
    int ret;

    dbus_error_init(&err);
    conn = dbus_bus_get(DBUS_BUS_SESSION, &err);
    if (dbus_error_is_set(&err)) {
        fprintf(stderr, "Connection Error (%s)\n", err.message);
        dbus_error_free(&err);
        return 0;
    }
// uncomment the next line to avoid the shutdown error message
//    dbus_connection_unref(conn);
    dbus_connection_unref(conn);
    dbus_shutdown();

    return 0;
}