more duplicate gold

My previous fix (trap.c) prevented the panic, but didn't actually stop
gold possessed by a reanimated statue from doubling.  That problem was due
to how the monster info was saved rather than to how it was restored.
The previous fixes entry applies.

src/mkobj.c

@@ -1084,6 +1084,10 @@ struct monst *mtmp;
 		mtmp2->nmon     = (struct monst *)0;
 		mtmp2->data     = (struct permonst *)0;
 		mtmp2->minvent  = (struct obj *)0;
+#ifndef GOLDOBJ
+		/* not a pointer but is discarded along with minvent */
+		mtmp2->mgold	= 0L;
+#endif
 		otmp->oattached = OATTACHED_MONST;	/* mark it */
 	}
 	return otmp;