Use maybe_unserialize() in upgrade.php's private get_option() function. This actually predates maybe_unserialize() ([2487], [3234]). props leewillis77. fixes #24365.



git-svn-id: https://core.svn.wordpress.org/trunk@24625 1a063a9b-81f0-0310-95a4-ce76da25c4cd