Fix JSHint errors in the old XML-based ajax response JS.

props OriginalEXE.
fixes #25954.


git-svn-id: https://develop.svn.wordpress.org/trunk@26159 602fd350-edb4-49c9-b593-d223f7449a82
Fix JSHint errors in admin-bar.js.

props kadamwhite.
fixes #25970.


git-svn-id: https://develop.svn.wordpress.org/trunk@26160 602fd350-edb4-49c9-b593-d223f7449a82