Use get_current_user_id() instead of $user_ID in user-edit.php.

props kovshenin.
fixes #26274.

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git-svn-id: http://core.svn.wordpress.org/trunk@26942 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update @return statement of wp_nonce_url(): The URL is escaped.

props c3mdigital.
see #4221.
Built from https://develop.svn.wordpress.org/trunk@27070


git-svn-id: http://core.svn.wordpress.org/trunk@26943 1a063a9b-81f0-0310-95a4-ce76da25c4cd