ospfd: Fixed typo bug in ospf_vty.h:ospf_neighbor

Typo bug. ospf_nbr_nbma_poll_interval_set() was being sent priority instead
of interval.

Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
diff --git a/ospfd/ospf_vty.c b/ospfd/ospf_vty.c
index 862ef95..45ddc5c 100644
--- a/ospfd/ospf_vty.c
+++ b/ospfd/ospf_vty.c
@@ -2322,7 +2322,7 @@
   if (argc > 1)
     ospf_nbr_nbma_priority_set (ospf, nbr_addr, priority);
   if (argc > 2)
-    ospf_nbr_nbma_poll_interval_set (ospf, nbr_addr, priority);
+    ospf_nbr_nbma_poll_interval_set (ospf, nbr_addr, interval);
 
   return CMD_SUCCESS;
 }