Fix array formatting. props WraithKenny. fixes #21210.

git-svn-id: https://core.svn.wordpress.org/trunk@23598 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove unnecessary error suppression from get_terms(). fixes #21887.

git-svn-id: https://core.svn.wordpress.org/trunk@23599 1a063a9b-81f0-0310-95a4-ce76da25c4cd