$NetBSD$

--- panel-plugin/os.h.orig	2007-01-20 12:05:51.000000000 +0000
+++ panel-plugin/os.h
@@ -17,6 +17,10 @@
 #include <nlist.h>
 #endif
 
+#if defined(__DragonFly__)
+#include <kinfo.h>
+#endif
+
 #if defined (__NetBSD__)
 #include <sys/param.h>
 #include <sys/sched.h>
