BGP encode multiple flow spec action issue fix.

Change-Id: Ieb173be9edb86bc717bfe1e55271873645e4a5b1
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecDetails.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecDetails.java
index cc6384c..994f656 100755
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecDetails.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecDetails.java
@@ -27,7 +27,7 @@
  */
 public class BgpFlowSpecDetails {
     private List<BgpValueType> flowSpecComponents;
-    private BgpValueType fsActionTlv;
+    private List<BgpValueType> fsActionTlv;
     private RouteDistinguisher routeDistinguisher;
 
     /**
@@ -44,7 +44,7 @@
      *
      * @return flow specification action tlv
      */
-    public BgpValueType fsActionTlv() {
+    public List<BgpValueType> fsActionTlv() {
         return this.fsActionTlv;
     }
 
@@ -53,7 +53,7 @@
      *
      * @param fsActionTlv flow specification action tlv
      */
-    public void setFsActionTlv(BgpValueType fsActionTlv) {
+    public void setFsActionTlv(List<BgpValueType> fsActionTlv) {
         this.fsActionTlv = fsActionTlv;
     }