iplist - GCC 4.7 compatibility patch

--- a/iplist/src/iplist.cc	2010-10-23 07:54:30.000000000 +0100
+++ b/iplist/src/iplist.cc	2012-04-16 11:50:17.964334537 +0100
@@ -41,6 +41,8 @@
 #include "list.h"
 #include "log.h"

+#include <unistd.h>
+
 volatile std::sig_atomic_t iplist::quit = 0;
 int iplist::daemon_flag = 0;
 int iplist::verbose_flag = 0;

--- a/iplist/src/main.cc	2010-10-23 07:54:30.000000000 +0100
+++ b/iplist/src/main.cc	2012-04-16 11:50:30.327551072 +0100
@@ -33,6 +33,8 @@
 #include "nfq.h"
 #include "log.h"

+#include <unistd.h>
+
 static long pthread_terminate(pthread_t tid)
 {
 	void* ret;