filechooserbutton: Fix reserved pointers

So gcc stops complaining about unnecessary parenthesis.

diff --git a/gtk/gtkfilechooserbutton.h b/gtk/gtkfilechooserbutton.h
index 0e5276fe71e4647303c995918e12a8dacc8bc0cd..fcad9f4f8886cc84dc12a7b2c4fda3f29c7ba4c3 100644 (file)
--- a/gtk/gtkfilechooserbutton.h
+++ b/gtk/gtkfilechooserbutton.h
@@ -63,10 +63,10 @@ struct _GtkFileChooserButtonClass
   /*< private >*/
 
   /* Padding for future expansion */
-  void (*__gtk_reserved1);
-  void (*__gtk_reserved2);
-  void (*__gtk_reserved3);
-  void (*__gtk_reserved4);
+  void (*__gtk_reserved1) (void);
+  void (*__gtk_reserved2) (void);
+  void (*__gtk_reserved3) (void);
+  void (*__gtk_reserved4) (void);
 };