Lfun:	set_spell_mess1 - set the outside spell message in a monster

Synopsis:
	void set_spell_mess1(string message)

Description:
	The set_spell_mess1 function sets spell message other players in the
	same room get, when the monster casts a spell.

Return value:
	none

Examples:
	set_spell_mess1("The mage casts a fireball!");

See also: monster/set_chance