[rhythmbox] Update internet radio screenshot for Rhythmbox 3.4

[Andre Klapper <aklapper src gnome org>]

commit 0f07b09eeba33a533e0aa88c1b1e09539eb33bce
Author: Andre Klapper <a9016009 gmx de>
Date:   Tue Jan 16 14:31:27 2018 +0100

    Update internet radio screenshot for Rhythmbox 3.4

 help/C/figures/rb-iradio-main.png |  Bin 76001 -> 70527 bytes
 1 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/help/C/figures/rb-iradio-main.png b/help/C/figures/rb-iradio-main.png
index ace1597..3020290 100644
Binary files a/help/C/figures/rb-iradio-main.png and b/help/C/figures/rb-iradio-main.png differ