Index: pam_usb-0.4.2/src/pam.c
===================================================================
--- pam_usb-0.4.2.orig/src/pam.c
+++ pam_usb-0.4.2/src/pam.c
@@ -17,7 +17,8 @@
 
 #define PAM_SM_AUTH
 #include <security/pam_modules.h>
-#include <security/_pam_macros.h>
+#include <security/pam_appl.h>
+#include <stdlib.h>
 
 #include "version.h"
 #include "conf.h"