[gegl] sampler: use gegl_sampler_set_buffer when the buffer property is set

[Michael Henning <mhenning src gnome org>]

commit 8f6e495cb9cc73b939001ef4d380b05371d90e94
Author: Michael Henning <drawoc darkrefraction com>
Date:   Sat Apr 6 19:54:34 2013 -0400

    sampler: use gegl_sampler_set_buffer when the buffer property is set

 gegl/buffer/gegl-sampler.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gegl/buffer/gegl-sampler.c b/gegl/buffer/gegl-sampler.c
index 8a5ac8f..69a8635 100644
--- a/gegl/buffer/gegl-sampler.c
+++ b/gegl/buffer/gegl-sampler.c
@@ -487,7 +487,7 @@ set_property (GObject      *object,
   switch (property_id)
     {
       case PROP_BUFFER:
-        self->buffer = GEGL_BUFFER (g_value_dup_object (value));
+        gegl_sampler_set_buffer (self, GEGL_BUFFER (g_value_get_object (value)));
         break;
 
       case PROP_FORMAT: