Index: ext/mysqli/php_mysqli_structs.h
===================================================================
--- ext/mysqli/php_mysqli_structs.h	(revision 301474)
+++ ext/mysqli/php_mysqli_structs.h	(working copy)
@@ -54,6 +54,7 @@
 #define WE_HAD_MBSTATE_T
 #endif
 
+#define HAVE_ULONG 1
 #include <my_global.h>
 
 #if !defined(HAVE_MBRLEN) && defined(WE_HAD_MBRLEN)