Store remote 4 octet AS path value.

Change-Id: Ifccc777c48392effb0ab86298115c9abb4fe5e48
diff --git a/apps/sdnip/src/main/java/org/onosproject/sdnip/bgp/BgpOpen.java b/apps/sdnip/src/main/java/org/onosproject/sdnip/bgp/BgpOpen.java
index a0b6f5e..5b9ac25 100644
--- a/apps/sdnip/src/main/java/org/onosproject/sdnip/bgp/BgpOpen.java
+++ b/apps/sdnip/src/main/java/org/onosproject/sdnip/bgp/BgpOpen.java
@@ -335,6 +335,7 @@
                     }
                     long as4Number = message.readUnsignedInt();
                     // TODO: Implement support for 4-octet AS Numbers
+                    bgpSession.setRemoteAs4Octet(as4Number);
                     log.debug("BGP RX OPEN Capability:  AS4 Number = {}",
                               as4Number);
                     break;