[gtksourceview/gnome-3-6] Fix cut&paste error in last patch

[Paolo Borelli <pborelli src gnome org>]

commit 769ee12d65f378da930060122333bb0e011bb239
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Nov 4 01:58:30 2012 +0100

    Fix cut&paste error in last patch

 gtksourceview/gtksourcegutterrenderer.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gtksourceview/gtksourcegutterrenderer.c b/gtksourceview/gtksourcegutterrenderer.c
index 06f26a0..abba13f 100644
--- a/gtksourceview/gtksourcegutterrenderer.c
+++ b/gtksourceview/gtksourcegutterrenderer.c
@@ -89,13 +89,13 @@ set_buffer (GtkSourceGutterRenderer *renderer,
 	if (renderer->priv->buffer != NULL)
 	{
 		g_object_remove_weak_pointer (G_OBJECT (renderer->priv->buffer),
-		                              &renderer->priv->buffer);
+		                              (gpointer) &renderer->priv->buffer);
 	}
 
 	if (buffer != NULL)
 	{
-		g_object_add_weak_pointer (G_OBJECT (renderer->priv->buffer),
-		                           &renderer->priv->buffer);
+		g_object_add_weak_pointer (G_OBJECT (buffer),
+		                           (gpointer) &renderer->priv->buffer);
 	}
 
 	renderer->priv->buffer = buffer;