Fix spare memory change.

* alloc.c (mark_maybe_pointer): Handle MEM_TYPE_SPARE.
(valid_lisp_object_p): Likewise.

src/ChangeLog

+2012-08-27  Dmitry Antipov  <dmantipov@yandex.ru>
+
+	Fix spare memory change.
+	* alloc.c (mark_maybe_pointer): Handle MEM_TYPE_SPARE.
+	(valid_lisp_object_p): Likewise.
+
 2012-08-27  Martin Rudalics  <rudalics@gmx.at>
 
 	* window.c (Fset_window_configuration): Record any window's old

src/alloc.c

@@ -4563,6 +4563,7 @@ mark_maybe_pointer (void *p)
       switch (m->type)
 	{
 	case MEM_TYPE_NON_LISP:
+	case MEM_TYPE_SPARE:
 	  /* Nothing to do; not a pointer to Lisp memory.  */
 	  break;
 
@@ -5019,6 +5020,7 @@ valid_lisp_object_p (Lisp_Object obj)
   switch (m->type)
     {
     case MEM_TYPE_NON_LISP:
+    case MEM_TYPE_SPARE:
       return 0;
 
     case MEM_TYPE_BUFFER: