Fix test failure on 32-bit

Author: weltling

ext/standard/tests/serialize/bug74103.phpt

@@ -5,5 +5,5 @@ Bug #74103: heap-use-after-free when unserializing invalid array size
 var_dump(unserialize('a:7:{i:0;i:04;s:1:"a";i:2;i:00009617006;i:4;s:1:"a";i:4;s:1:"a";R:5;s:1:"7";R:3;s:1:"a";R:5;;s:18;}}'));
 ?>
 --EXPECTF--
-Notice: unserialize(): Error at offset 68 of 100 bytes in %s on line %d
+Notice: unserialize(): Error at offset %d of %d bytes in %s on line %d
 bool(false)