add osysmon_sysinfo for uptime/ram/load
diff --git a/osysmon.h b/osysmon.h
index fdae8c4..b7a0505 100644
--- a/osysmon.h
+++ b/osysmon.h
@@ -72,3 +72,6 @@
 int osysmon_ctrl_go_parent(struct vty *vty);
 int osysmon_ctrl_init();
 int osysmon_ctrl_poll(struct value_node *parent);
+
+int osysmon_sysinfo_init();
+int osysmon_sysinfo_poll(struct value_node *parent);