https://bugs.php.net/bug.php?id=61809
--- hidef.c.orig	2011-12-22 07:27:09.000000000 -0600
+++ hidef.c	2012-04-22 04:05:21.000000000 -0500
@@ -30,7 +30,6 @@
 #include "zend_hash.h"
 #include "ext/standard/info.h"
 #include "SAPI.h"
-#include "malloc.h"
 
 #include "php_hidef.h"
 #include "frozenarray.h"
