File smpppd-gcc47.patch of Package smpppd

Index: smpppd-1.60.56/smpppd/modem-config.cc
===================================================================
--- smpppd-1.60.56.orig/smpppd/modem-config.cc
+++ smpppd-1.60.56/smpppd/modem-config.cc
@@ -8,6 +8,7 @@
 #include <regex.h>
 
 #include <cstdlib>
+#include <unistd.h>
 
 #include "modem-config.h"
 #include "utils.h"