[guadec-web/static-2015] Rename banner image, and not just replace it!

[Tom Tryfonidis <tomtryf src gnome org>]

commit 64a2f620b627782d929ca0197bab501347a88b53
Author: Tom Tryfonidis <tomtryf gmail com>
Date:   Wed Oct 17 00:25:02 2018 +0300

    Rename banner image, and not just replace it!

 .../uploads/2014/10/{banner7.9.delayed => banner7.jpg}      | Bin
 1 file changed, 0 insertions(+), 0 deletions(-)
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diff --git a/wp-content/uploads/2014/10/banner7.9.delayed b/wp-content/uploads/2014/10/banner7.jpg
similarity index 100%
rename from wp-content/uploads/2014/10/banner7.9.delayed
rename to wp-content/uploads/2014/10/banner7.jpg