openvpn: Set reconnect timeout to a much lower value

It's a connection towards localhost, so it doesn't hurt reconnecting in
a timely fashion, otherwise upon openvpn restart user needed to wait for
1 minute to see changes.

Change-Id: Ie9638120d1ce5bfa43bc7c15f05cf81de37624c5
diff --git a/src/osysmon_openvpn.c b/src/osysmon_openvpn.c
index 8c95984..d9e38f0 100644
--- a/src/osysmon_openvpn.c
+++ b/src/osysmon_openvpn.c
@@ -185,7 +185,7 @@
 	}
 
 	/* Wait for 1 minute before attempting to reconnect to management interface */
-	osmo_stream_cli_set_reconnect_timeout(vpn->mgmt, 60);
+	osmo_stream_cli_set_reconnect_timeout(vpn->mgmt, 5);
 	osmo_stream_cli_set_read_cb(vpn->mgmt, read_cb);
 	osmo_stream_cli_set_connect_cb(vpn->mgmt, connect_cb);
 	osmo_stream_cli_set_disconnect_cb(vpn->mgmt, disconnect_cb);