File psi-gcc47.patch of Package psi

Index: psi-0.14/iris/src/irisnet/corelib/netinterface_unix.cpp
===================================================================
--- psi-0.14.orig/iris/src/irisnet/corelib/netinterface_unix.cpp
+++ psi-0.14/iris/src/irisnet/corelib/netinterface_unix.cpp
@@ -27,6 +27,7 @@
 #include "irisnetplugin.h"
 
 #include <sys/types.h>
+#include <unistd.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <net/if.h>