Fixing Notice SSL_VERIFYHOST no longer accepts 1

This change are fixing a Notice:
Notice: curl_setopt() [function.curl-setopt<\/a>]: CURLOPT_SSL_VERIFYHOST no longer accepts the value 1, value 2 will be used instead in \/Users\/tshabatyn\/Projects\/DW\/lib\/Klarna\/transport\/xmlrpc-3.0.0.beta\/lib\/xmlrpc.inc on line 1620