diff --git a/mozilla/widget/src/gtk2/nsMaiHook.h b/mozilla/widget/src/gtk2/nsMaiHook.h
index a7ebf736f6e..97082338db1 100644
--- a/mozilla/widget/src/gtk2/nsMaiHook.h
+++ b/mozilla/widget/src/gtk2/nsMaiHook.h
@@ -46,6 +46,8 @@
 
 struct MaiHook
 {
+    PRBool (*MaiShutdown)(void);
+    PRBool (*MaiStartup)(void);
     PRBool (*AddTopLevelAccessible)(nsIAccessible *toplevel);
     PRBool (*RemoveTopLevelAccessible)(nsIAccessible *toplevel);
 };