[gnome-devel-docs] demos: fix guitar tuner not playing more than 32 times.

[Luis Menina <lmenina src gnome org>]

commit d575e7b7e6a9300c98fdbd2dfee6c80f76958df2
Author: Luis Menina <liberforce freeside fr>
Date:   Wed Sep 25 21:30:51 2013 +0200

    demos: fix guitar tuner not playing more than 32 times.

 platform-demos/C/guitar-tuner.c.page         |    4 ++--
 platform-demos/C/guitar-tuner/guitar-tuner.c |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/platform-demos/C/guitar-tuner.c.page b/platform-demos/C/guitar-tuner.c.page
index 39acd9e..1829008 100644
--- a/platform-demos/C/guitar-tuner.c.page
+++ b/platform-demos/C/guitar-tuner.c.page
@@ -206,12 +206,12 @@ play_sound (gdouble frequency)
 static gboolean
 pipeline_stop (GstElement* pipeline)
 {
-       gst_element_set_state (pipeline, GST_STATE_PAUSED);
+       gst_element_set_state (pipeline, GST_STATE_NULL);
        g_object_unref (pipeline);
 
        return FALSE;
 }]]></code>
-  <p>The call to <code>gst_element_set_state</code> pauses the playback of the pipeline and 
<code>g_object_unref</code> unreferences the pipeline, destroying it and freeing its memory.</p>
+  <p>The call to <code>gst_element_set_state</code> stops the playback of the pipeline and 
<code>g_object_unref</code> unreferences the pipeline, destroying it and freeing its memory.</p>
 </section>
 
 <section id="tones">
diff --git a/platform-demos/C/guitar-tuner/guitar-tuner.c b/platform-demos/C/guitar-tuner/guitar-tuner.c
index e7725f9..4246d02 100644
--- a/platform-demos/C/guitar-tuner/guitar-tuner.c
+++ b/platform-demos/C/guitar-tuner/guitar-tuner.c
@@ -24,7 +24,7 @@
 static gboolean
 pipeline_stop (GstElement* pipeline)
 {
-       gst_element_set_state (pipeline, GST_STATE_PAUSED);
+       gst_element_set_state (pipeline, GST_STATE_NULL);
        g_object_unref (pipeline);
 
        /* disconnect handler */