[gnome-builder] buffer: add reserved pointers

[Christian Hergert <chergert src gnome org>]

commit c95dc27b644a68d2d76aab638b127e230527c20b
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 15 12:34:42 2016 +0200

    buffer: add reserved pointers
    
    We want to reserve some padding for future expansion in case we subclass
    in various places.

 libide/buffers/ide-buffer.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/libide/buffers/ide-buffer.h b/libide/buffers/ide-buffer.h
index a421553..7dc40f6 100644
--- a/libide/buffers/ide-buffer.h
+++ b/libide/buffers/ide-buffer.h
@@ -49,6 +49,15 @@ struct _IdeBufferClass
 
   void (*cursor_moved) (IdeBuffer         *self,
                         const GtkTextIter *location);
+
+  gpointer _reserved1;
+  gpointer _reserved2;
+  gpointer _reserved3;
+  gpointer _reserved4;
+  gpointer _reserved5;
+  gpointer _reserved6;
+  gpointer _reserved7;
+  gpointer _reserved8;
 };
 
 gboolean            ide_buffer_get_busy                      (IdeBuffer            *self);