reverted the revision 328880 as the arKey has to be a 
\0 terminated string


git-svn-id: http://svn.php.net/repository/pecl/apc/trunk@328940 c90b9560-bf6c-de11-be94-00142212c4b1
free if the protocol isn't found


git-svn-id: http://svn.php.net/repository/pecl/apc/trunk@328941 c90b9560-bf6c-de11-be94-00142212c4b1