* dbusbind.c (top): Include <stdio.h>.

* dbusbind.c (top): Include <stdio.h>.
(Fdbus_call_method, Fdbus_send_signal): Apply type cast in
dbus_message_new_method_call and dbus_message_new_signal.
(Fdbus_register_signal): Rename unique_name to uname.  Check
handler for FUNCTIONP instead of CHECK_SYMBOL.  Handle case of
non-existing unique name.  Fix typos in matching rule.  Return an
object which is useful in Fdbus_unregister_signal.
(Fdbus_unregister_signal): Reimplementation, in order to remove
only the corresponding entry.
(Vdbus_registered_functions_table): Change the order of entries.
Apply these changes in xd_read_message and Fdbus_register_signal.