Change thrift require_once to include_once

Summary: As per Lucas' request

Reviewed By: lucas


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@664803 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/php/src/protocol/TProtocol.php b/lib/php/src/protocol/TProtocol.php
index 6101f57..3d9c466 100644
--- a/lib/php/src/protocol/TProtocol.php
+++ b/lib/php/src/protocol/TProtocol.php
@@ -3,7 +3,7 @@
 /**
  * For Type Constants
  */
-require_once $GLOBALS['THRIFT_ROOT'].'/protocol/TType.php';
+include_once $GLOBALS['THRIFT_ROOT'].'/protocol/TType.php';
 
 
 /**