stoning message

From a bug report, 2012:
> This one's easy: the "Your limbs {are stiffening|have turned to stone}" still
> appears as such even when you're polymorphed into a form that has no limbs
> (worms, etc.).
>
> Perhaps it should be "Your extremities[...]" or similar?

src/timeout.c

@@ -26,10 +26,14 @@ static NEARDATA const char * const stoned_texts[] = {
 STATIC_OVL void
 stoned_dialogue()
 {
+	char buf[BUFSZ];
 	register long i = (Stoned & TIMEOUT);
 
-	if (i > 0L && i <= SIZE(stoned_texts))
-		pline1(stoned_texts[SIZE(stoned_texts) - i]);
+	if (i > 0L && i <= SIZE(stoned_texts)) {
+		Strcpy(buf,stoned_texts[SIZE(stoned_texts) - i]);
+		pline1(nolimbs(youmonst.data) ?
+			strsubst(buf, "limbs", "extremities") : buf);
+	}
 	switch ((int) i) {
 	case 5:		/* slowing down */
 		HFast = 0L;