Compress scripts/styles: 3.6-beta4-24669.

git-svn-id: http://core.svn.wordpress.org/trunk@24669 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix a PHP 5.4-ism that slipped in.

git-svn-id: http://core.svn.wordpress.org/trunk@24670 1a063a9b-81f0-0310-95a4-ce76da25c4cd