fixed a bug in sort_array

Rev: lib/include/array.pre.pike:1.3

lib/include/array.pre.pike

@@ -108,8 +108,7 @@ varargs mixed *sort_array(array foo,function cmp, mixed ... args)
   {
     foo+=({});
     sort(foo);
-    reverse(foo);
-    return foo;
+    return reverse(foo);
   }
 
   length=sizeof(foo);