hack bug report

[Mike Newton]

The recent distribution to hack had an error in it that caused a Rust monster
that hit you when you were not wearing a helmet to crash.    The correct code
is copied below.  The file is hack.mhitu.c.

enjoy,

--mike


	case 'R':
		if(tmp && uarmh && !uarmh->rustfree &&
		    (int) uarmh->spe >= -1) {
			pline("Your helmet rusts!");
			uarmh->spe--;
		} else
		if(ctmp && uarm && !uarm->rustfree &&		/* -- MON */
		 uarm->otyp < STUDDED_LEATHER_ARMOR &&
		 (int)uarm->spe >= -1) {
			pline("Your armor rusts!");
			uarm->spe--;
		}
		break;