--- perdition/pam.h.orig	Sat Dec 21 01:36:10 2002
+++ perdition/pam.h	Sat Dec 21 01:36:12 2002
@@ -37,6 +37,8 @@
 
 #ifdef WITH_PAM_SUPPORT
 
+#include <stddef.h>
+
 #ifdef HAVE_SECURITY_PAM_MISC_H
 #include <security/pam_misc.h>
 #endif /* HAVE_SECURITY_PAM_MISC_H */