Fix for bug #40788.

2003-06-05  Jeffrey Stedfast  <fejj@ximian.com>

	Fix for bug #40788.

	* providers/pop3/camel-pop3-engine.c (camel_pop3_engine_new): Now
	takes a flags argument. Currently there is only 1 flag which can
	be used to disable Pop3 server extensions.
	(get_capabilities): Don't check for Pop3 server extensions if the
	DISABLE_EXTENSIONS flag is set on the engine.
	(camel_pop3_engine_iterate): If we get a response that is neither
	+OK nor -ERR, default to treating it like a -ERR.

	* providers/pop3/camel-pop3-store.c (connect_to_server): Check for
	the disable_extensions param.

	* providers/pop3/camel-pop3-provider.c: Define a checkbox to
	disable all POP3 extension support.