[rhythmbox] Remove executable bit from figure

[Claude Paroz <claudep src gnome org>]

commit f3db8ef9178a9585f8472e9cb7a34037729ee3e1
Author: Claude Paroz <claude 2xlibre net>
Date:   Thu Jun 11 09:05:31 2009 +0200

    Remove executable bit from figure
---
 help/C/figures/rb-volume-changer.png |  Bin 5916 -> 5916 bytes
 1 files changed, 0 insertions(+), 0 deletions(-)

diff --git a/help/C/figures/rb-volume-changer.png b/help/C/figures/rb-volume-changer.png
old mode 100755
new mode 100644