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/core/linkdiscovery/web/LinkDiscoveryWebRoutable.java b/src/main/java/net/onrc/onos/core/linkdiscovery/web/LinkDiscoveryWebRoutable.java
index 8d3831c..f78d43a 100644
--- a/src/main/java/net/onrc/onos/core/linkdiscovery/web/LinkDiscoveryWebRoutable.java
+++ b/src/main/java/net/onrc/onos/core/linkdiscovery/web/LinkDiscoveryWebRoutable.java
@@ -24,4 +24,4 @@
     public String basePath() {
         return "/wm/onos/linkdiscovery";
     }
-}
\ No newline at end of file
+}