Posts in the Trash should not drag attachment pages down with them.

Props ericlewis.
Fixes #14639.


git-svn-id: https://develop.svn.wordpress.org/trunk@28791 602fd350-edb4-49c9-b593-d223f7449a82
Don't annotate `$wp_error` twice in `login_header()` docs. `$wp_error` is always expected to be of type `WP_Error`.

Props SergeyBiryukov.
Fixes #28518.


git-svn-id: https://develop.svn.wordpress.org/trunk@28792 602fd350-edb4-49c9-b593-d223f7449a82