--- tcp_wrappers_7.6/scaffold.c.old	2009-05-25 13:41:07.000000000 +0200
+++ tcp_wrappers_7.6/scaffold.c	2009-05-25 13:42:22.000000000 +0200
@@ -20,13 +20,12 @@
 #include <syslog.h>
 #include <setjmp.h>
 #include <string.h>
+#include <stdlib.h>
 
 #ifndef INADDR_NONE
 #define	INADDR_NONE	(-1)		/* XXX should be 0xffffffff */
 #endif
 
-extern char *malloc();
-
 /* Application-specific. */
 
 #include "tcpd.h"