Checking for request header before attempting to reference it

Author: dcarbone

src/HttpResponse.php

@@ -121,7 +121,8 @@ public function __construct($response, array $curlInfo, $curlError)
         $this->primaryPort = $curlInfo['primary_port'];
         $this->localIP = $curlInfo['local_ip'];
         $this->localPort = $curlInfo['local_port'];
-        $this->requestHeader = $curlInfo['request_header'];
+        if (isset($curlInfo['request_header']))
+            $this->requestHeader = $curlInfo['request_header'];
 
         $this->curlError = $curlError;