Revert "pimd: Revert: Explicitly restart zclient update connection."

This reverts commit 199f85ade39f751dd493fe011107736c9b168953.

This depends on the zebra reconnect changes, which we're not picking up
at this point.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/pimd/pim_zebra.c b/pimd/pim_zebra.c
index f184024..63d029b 100644
--- a/pimd/pim_zebra.c
+++ b/pimd/pim_zebra.c
@@ -66,6 +66,8 @@
   /* discard connected addresses because zclient lib will reassign
      them upon reconnection */
   if_connected_reset_all();
+
+  zclient_init(qpim_zclient_update, ZEBRA_ROUTE_PIM); /* reconnect */
 }
 
 /* Router-id update message from zebra. */