Fixed test

Author: dstogov

ext/simplexml/tests/bug74950.phpt

@@ -3,6 +3,7 @@ Bug #74950 (null pointer deref in zim_simplexml_element_getDocNamespaces)
 --SKIPIF--
 <?php
 if (!extension_loaded("simplexml")) die("skip SimpleXML not available");
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platforms only");
 ?>
 --FILE--
 <?php