[gegl] gegl: Clarify that gegl_processor_destroy() will always only unref

[Martin Nordholts <martinn src gnome org>]

commit 3bd64469cf6713462f072a33ff02d5d527e17632
Author: Martin Nordholts <martinn src gnome org>
Date:   Sun Jan 10 18:33:39 2010 +0100

    gegl: Clarify that gegl_processor_destroy() will always only unref

 gegl/process/gegl-processor.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gegl/process/gegl-processor.c b/gegl/process/gegl-processor.c
index 5c96e3e..be90881 100644
--- a/gegl/process/gegl-processor.c
+++ b/gegl/process/gegl-processor.c
@@ -744,6 +744,11 @@ gegl_processor_work (GeglProcessor *processor,
 void
 gegl_processor_destroy (GeglProcessor *processor)
 {
+  /* The only thing this function is doing is shielding users of the
+   * library from GLib. If you are writing a language wrapper you can
+   * use the normal GObject unreffing mechanisms. This function will
+   * never do more than unreffing the processor.
+   */
   g_object_unref (processor);
 }