Lfun:	query_dead_ob - get the set dead_ob

Synopsis:
	object query_dead_ob()

Description:
	The query_dead_ob fetches a set dead_ob from a monster - see
	also 'man monster/set_dead_ob', 'man object/monster_died' and
	'man monster/second_life'.

Return value:
        If an dead_ob is set via set_dead_ob, it is return, else 0. 
        If the set dead_ob is a blueprint (loaded object), it is
        returned as a string, else as an object pointer.

Examples:
	object obj = monster->query_dead();

Note:
        The query_dead_ob was added on December 28th 2016.

See also: monster/set_dead_ob, object/monster_died, monster/second_life