title: Error: "curl_exec error 60 Peer's Certificate issuer is not recognized" in Symfony 1.4 prestapaypalplugin direct and express checkout method
body: <p>I am using prestapaypalplugin form <a href="http://www.symfony-project.org/plugins/prestaPaypalPlugin" rel="nofollow">http://www.symfony-project.org/plugins/prestaPaypalPlugin</a>. I had prepare action file as give in redme.txt file. but I got this error "curl_exec error 60 Peer's Certificate issuer is not recognized". with both direct payment and express checkout method. I tried website payment, It's work fine. </p>
  
  <p>Thanks.</p>