[shotwell] icons: Remove exec flag from images

[Jens Georg <jensgeorg src gnome org>]

commit 1cc2326a740776699b6f418730878bd0f973bc76
Author: Jens Georg <mail jensge org>
Date:   Tue Apr 26 21:42:48 2016 +0200

    icons: Remove exec flag from images
    
    Signed-off-by: Jens Georg <mail jensge org>

 icons/filter-flagged.png            |  Bin 3179 -> 3179 bytes
 icons/filter-videos.png             |  Bin 3627 -> 3627 bytes
 icons/slideshow-extension-point.png |  Bin 3307 -> 3307 bytes
 3 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/icons/pin-toolbar.svg b/icons/pin-toolbar.svg
old mode 100755
new mode 100644