fetch_file_contents: use http/1.1 when not using curl

include/functions.php

@@ -448,10 +448,15 @@
 				 $context = stream_context_create(array(
 					  'http' => array(
 							'method' => 'GET',
+							'protocol_version'=> 1.1,
 							'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
 					  )));
 			} else {
-				$context = NULL;
+				 $context = stream_context_create(array(
+					  'http' => array(
+							'method' => 'GET',
+							'protocol_version'=> 1.1
+					  )));
 			} 
 
 			$old_error = error_get_last();