Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/onrc/onos/apps/bgproute/IPatriciaTrie.java b/src/main/java/net/onrc/onos/apps/bgproute/IPatriciaTrie.java
index 854b340..bd4508a 100644
--- a/src/main/java/net/onrc/onos/apps/bgproute/IPatriciaTrie.java
+++ b/src/main/java/net/onrc/onos/apps/bgproute/IPatriciaTrie.java
@@ -3,18 +3,19 @@
 import java.util.Iterator;
 
 public interface IPatriciaTrie<V> {
-	public V put(Prefix prefix, V value);
-	
-	public V lookup(Prefix prefix);
-	
-	public V match(Prefix prefix);
-	
-	public boolean remove(Prefix prefix, V value);
-	
-	public Iterator<Entry<V>> iterator();
-	
-	interface Entry<V> {
-		public Prefix getPrefix();
-		public V getValue();
-	}
+    public V put(Prefix prefix, V value);
+
+    public V lookup(Prefix prefix);
+
+    public V match(Prefix prefix);
+
+    public boolean remove(Prefix prefix, V value);
+
+    public Iterator<Entry<V>> iterator();
+
+    interface Entry<V> {
+        public Prefix getPrefix();
+
+        public V getValue();
+    }
 }