Fix pass by reference issue. see #24873.



git-svn-id: https://core.svn.wordpress.org/trunk@24866 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Unique load array in load-scripts and load-styles.



git-svn-id: https://core.svn.wordpress.org/trunk@24868 1a063a9b-81f0-0310-95a4-ce76da25c4cd