New level compiler: code changes

src/mon.c

@@ -278,9 +278,10 @@ unsigned corpseflags;
 		    obj = mkcorpstat(CORPSE, KEEPTRAITS(mtmp) ? mtmp : 0,
 				     mdat, x, y, corpstatflags);
 		    if (burythem) {
-			(void) bury_an_obj(obj);
+			boolean dealloc;
+			(void) bury_an_obj(obj, &dealloc);
 			newsym(x, y);
-			return obj;
+			return (dealloc ? NULL : obj);
 		    }
 		}
 		break;