[gimp] debug: follow new gimp_image_new signature

[Michael Natterer <mitch src gnome org>]

commit 71d5fbe6af1263cc53763f77c85c620850db4c04
Author: Simon Budig <simon budig de>
Date:   Wed May 2 01:50:52 2012 +0200

    debug: follow new gimp_image_new signature

 app/actions/debug-commands.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/app/actions/debug-commands.c b/app/actions/debug-commands.c
index 00ee000..78b0379 100644
--- a/app/actions/debug-commands.c
+++ b/app/actions/debug-commands.c
@@ -354,6 +354,7 @@ debug_show_image_graph (GimpImage *source_image)
                                  gegl_buffer_get_width (buffer),
                                  gegl_buffer_get_height (buffer),
                                  GIMP_RGB,
+                                 GIMP_PRECISION_U8,
                                  FALSE);
   gimp_image_set_uri (new_image, new_name);
   layer = gimp_layer_new_from_buffer (buffer,