$OpenBSD$
--- memory/mozalloc/mozalloc.cpp.orig	Thu Aug  5 21:51:32 2010
+++ memory/mozalloc/mozalloc.cpp	Thu Aug  5 21:53:09 2010
@@ -43,6 +43,7 @@
 #include <string.h>
 
 #if defined(MALLOC_H)
+#include <sys/types.h>
 #  include MALLOC_H             // for memalign, valloc where available
 #endif // if defined(MALLOC_H)
 #include <stddef.h>             // for size_t