[HttpClient] fix destructing CurlResponse

Author: nicolas-grekas

Response/CurlResponse.php

@@ -233,7 +233,9 @@ public function __destruct()
 
             $this->doDestruct();
         } finally {
-            curl_setopt($this->handle, \CURLOPT_VERBOSE, false);
+            if (\is_resource($this->handle) || $this->handle instanceof \CurlHandle) {
+                curl_setopt($this->handle, \CURLOPT_VERBOSE, false);
+            }
         }
     }