Fixed ssl verification, closes #45

See http://php.net/manual/en/function.curl-setopt.php

Author: Tim Helfensdörfer

src/AutoUpdate.php

@@ -587,7 +587,11 @@ protected function _downloadCurl($url)
         $curl = curl_init();
         curl_setopt($curl, CURLOPT_URL, $url);
         curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
-        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, $this->sslVerifyHost);
+        if ($this->sslVerifyHost) {
+            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
+        } else {
+            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
+        }
         curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->sslVerifyHost);
         $update = curl_exec($curl);