Enable checkstyle check for newline at the end of
source files and fix the errors found.

Change-Id: If1c8eb2127d2f2394157750e6bae7b94169c6bc4
diff --git a/src/main/java/net/onrc/onos/apps/bgproute/PushedFlowMod.java b/src/main/java/net/onrc/onos/apps/bgproute/PushedFlowMod.java
index fc13cd3..eaee857 100644
--- a/src/main/java/net/onrc/onos/apps/bgproute/PushedFlowMod.java
+++ b/src/main/java/net/onrc/onos/apps/bgproute/PushedFlowMod.java
@@ -28,4 +28,4 @@
     public OFFlowMod getFlowMod() {
         return flowMod;
     }
-}
\ No newline at end of file
+}