Added definitions of sys_trace and sys_profile
diff --git a/Include/sysmodule.h b/Include/sysmodule.h
index f79ecdb..29d1455 100644
--- a/Include/sysmodule.h
+++ b/Include/sysmodule.h
@@ -28,3 +28,5 @@
 int sysset PROTO((char *, object *));
 FILE *sysgetfile PROTO((char *, FILE *));
 void initsys PROTO((void));
+
+extern object *sys_trace, *sys_profile;