[gnome-devel-docs] platform-overview: Update guitar tuner source

[David King <davidk src gnome org>]

commit 24527395ac8e7949145d62450d2612262a3b51e6
Author: David King <amigadave amigadave com>
Date:   Sat Feb 23 10:55:57 2013 +0000

    platform-overview: Update guitar tuner source
    
    Propogate the guitar tuner "E" note frequency change from bug 687628 to
    the provided source file.

 platform-demos/C/guitar-tuner/guitar-tuner.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/platform-demos/C/guitar-tuner/guitar-tuner.c b/platform-demos/C/guitar-tuner/guitar-tuner.c
index 98a97c9..e7725f9 100644
--- a/platform-demos/C/guitar-tuner/guitar-tuner.c
+++ b/platform-demos/C/guitar-tuner/guitar-tuner.c
@@ -10,7 +10,7 @@
 #define UI_FILE "src/guitar_tuner.ui"
 
 /* Frequencies of the tones */
-#define NOTE_E 369.23
+#define NOTE_E 329.63
 #define NOTE_A 440
 #define NOTE_D 587.33
 #define NOTE_G 783.99
@@ -51,7 +51,7 @@ play_sound (gdouble frequency)
 
        gst_element_set_state (pipeline, GST_STATE_PLAYING);
 
-       /* stop it after 200ms */
+       /* stop it after 500ms */
        g_timeout_add (LENGTH, (GSourceFunc) pipeline_stop, pipeline);
 }