Show rttvar per path

Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>

src/path.c

@@ -53,6 +53,7 @@ gt_path_status(int fd)
                "  peer:   %s port %"PRIu16"\n"
                "  mtu:    %zu bytes\n"
                "  rtt:    %.3f ms\n"
+               "  rttvar: %.3f ms\n"
                "  output: %"PRIu64" packets\n"
                "  input:  %"PRIu64" packets\n",
                statestr,
@@ -64,6 +65,7 @@ gt_path_status(int fd)
                gt_get_port((struct sockaddr *)&res.path_status.addr),
                res.path_status.mtu.ok,
                res.path_status.rtt/(double)1e3,
+               res.path_status.rttvar/(double)1e3,
                res.path_status.send.total,
                res.path_status.recv.total);
     } while (res.ret == EAGAIN);