Run DR election when hello packet is received.
diff --git a/pimd/pim_iface.h b/pimd/pim_iface.h
index 0a702c2..6a2f7c9 100644
--- a/pimd/pim_iface.h
+++ b/pimd/pim_iface.h
@@ -87,6 +87,7 @@
   /* DR Election */
   int64_t        pim_dr_election_last; /* timestamp */
   int            pim_dr_election_count;
+  int            pim_dr_election_changes;
   struct in_addr pim_dr_addr;
   uint32_t       pim_dr_priority;            /* config */
   int            pim_dr_num_nondrpri_neighbors; /* neighbors without dr_pri */