xfdesktop: Bump to version 4.8.3 & recreate patch

New version of relative-symlinks-docs.patch was sent to xfce-buglist [1]

[1] https://bugzilla.xfce.org/show_bug.cgi?id=7977

meta-xfce/recipes-xfce/xfdesktop/xfdesktop/relative-symlinks-docs.patch

-From 90e191cc4719172aa84e6a8ae694a6f2d6ee8989 Mon Sep 17 00:00:00 2001
-From: Andreas Mueller <schnitzeltony@gmx.de>
-Date: Fri, 22 Jul 2011 00:05:15 +0200
+From 5039e7834fff94f8393963ea8dbad81fa95ef810 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@gmx.de>
+Date: Fri, 16 Sep 2011 21:09:05 +0200
 Subject: [PATCH] docs: On installation create relative paths in symlinks to
  images
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
 
 
-Signed-off-by: Andreas Mueller <schnitzeltony@gmx.de>
+Signed-off-by: Andreas Müller <schnitzeltony@gmx.de>
 ---
  doc/manual/Makefile.am |    2 +-
  1 files changed, 1 insertions(+), 1 deletions(-)

meta-xfce/recipes-xfce/xfdesktop/xfdesktop_4.8.2.bb → meta-xfce/recipes-xfce/xfdesktop/xfdesktop_4.8.3.bb

@@ -15,5 +15,5 @@ SRC_URI += " \
 
 FILES_${PN} += "${datadir}/xfce4/backdrops"
 
-SRC_URI[md5sum] = "ed25d59f478afda552d121e96657d16f"
-SRC_URI[sha256sum] = "9d0a48c4e9ed6723a3f9a1c5303e2bbe9b04a3b483c52472da46881df4595e71"
+SRC_URI[md5sum] = "617c667c469698e8c974e38412cb484c"
+SRC_URI[sha256sum] = "e58460f52ae96c389402f6db62c46db61cd51cdb550a42bd97c0ab2a5b62f424"