Limit string printing to 100 chars, and add flags I forgot in the previous
commit.
toomany(struct magic_set *ms, const char *name, uint16_t num)
{
	if (file_printf(ms, ", too many %s (%u)", name, num
	    ) == -1)
		return -1;
	return 0;
}

toomany(struct magic_set *ms, const char *name, uint16_t num)
{
	if (file_printf(ms, ", too many %s (%u)", name, num
	    ) == -1)
		return -1;
	return 0;
}
