now use CamelRecipientTable

now use CamelRecipientTable

1999-09-01  bertrand  <Bertrand.Guiheneuf@aful.org>

	* camel/camel-mime-message.c (_finalize):
	(_add_recipient):
	(_remove_recipient):
	(_get_recipients): now use CamelRecipientTable

	* camel/gmime-content-field.c:
	(gmime_content_field_unref): test if object
	to free is non void.

Still are some bugs in camel-recipient.c