route: Adjust cost to integer before registering

refs: #1907

Change-Id: I471cd2eafb65a8458b4f527a3c3d7ea6682f5627
diff --git a/src/route/nexthop-list.cpp b/src/route/nexthop-list.cpp
index 0822d38..9ef6fd3 100644
--- a/src/route/nexthop-list.cpp
+++ b/src/route/nexthop-list.cpp
@@ -41,7 +41,7 @@
 nexthopRemoveCompare(NextHop& nh1, NextHop& nh2)
 {
   return (nh1.getConnectingFaceUri() == nh2.getConnectingFaceUri() &&
-          nh1.getRouteCost() == nh2.getRouteCost()) ;
+          nh1.getRouteCostAsAdjustedInteger() == nh2.getRouteCostAsAdjustedInteger()) ;
 }
 
 static bool