This upload fixes the issue:
" gedit (2.16.1-0ubuntu2) edgy; urgency=low
.
* debian/patches/90_from_bugzilla_fix_warnings_about_gedit_panel.patch:
- upstream patch to fix some warnings on the command line (Ubuntu: #63534)"
** Changed in: gedit (Ubuntu)
Status: Confirmed => Fix Released
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GEdit panel errors
https://launchpad.net/bugs/63534