Enable checkstyle rule to disallow C style
array declarations (byte foo[]) and fix
instances of it.

Change-Id: I34499c9f28bae5e2f2c5c47330768de76439e3d5
diff --git a/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java b/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
index b6cdd94..fa05536 100644
--- a/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
+++ b/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
@@ -256,7 +256,7 @@
         theInstance.reportStep(tag);
     }
 
-    public static void main(String args[]) {
+    public static void main(String[] args) {
         // test the measurement overhead
         String tag;
         for (int i = 0; i < 2; i++) {