Lfun:	set_random_pick - make a monster pick items at random

Synopsis:
	void set_random_pick(int chance)

Description:
	The set_random_pick sets the chance of picking an item using
	the lfun pick_any_obj in the monster.

	The chance is an integer between 0 (no picks) and 100 (try picking
	every heart beat).


Return value:
	none

Examples:
	set_random_pick(5);

Note:
	Wielding weapons and wearing armours of pick_any_obj is done via
	the lfun use_equiment - see also 'man monster/use_equipment'.

See also: monster/pick_any_obj, monster/use_equipment