--- gnome-system-monitor-2.28.2/src/openfiles.cpp.orig
+++ gnome-system-monitor-2.28.2/src/openfiles.cpp
@@ -15,6 +15,10 @@
 #include "util.h"
 #include "gconf-keys.h"
 
+#ifndef NI_IDN
+#define NI_IDN 0
+#endif
+
 enum
 {
 	COL_FD,