Fix cURL GET parameter passing

Addresses GitHub issue #8

- cURL appears to not (or at least to no longer) actually support turning POSTFIELDS into query string parameters,
  so we have to build the query string ourselves.  This update does just that.

Signed-off-by: Daniel Hunsaker <danhunsaker@gmail.com>

Author: danhunsaker

pve2_api.class.php

@@ -165,10 +165,11 @@ private function action ($action_path, $http_method, $put_post_parameters = null
 		// Lets decide what type of action we are taking...
 		switch ($http_method) {
 			case "GET":
-				// Set "POST" data - cURL will translate this into the appropriate
-				// querystring so we don't have to worry about it.
+				// cURL used to translate POSTFIELDS into the query string when the
+				// request method was GET, but that doesn't seem to be the case any
+				// longer, so we need to build them into the query string ourselves.
 				$action_postfields_string = http_build_query($put_post_parameters);
-				curl_setopt($prox_ch, CURLOPT_POSTFIELDS, $action_postfields_string);
+				$action_path .= (strpos($action_path, '?') === FALSE ? '?' : '&') . $action_postfields_string;
 				unset($action_postfields_string);
 
 				break;