Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/onrc/onos/apps/bgproute/PtreeNode.java b/src/main/java/net/onrc/onos/apps/bgproute/PtreeNode.java
index d20b7c4..e1b4c55 100644
--- a/src/main/java/net/onrc/onos/apps/bgproute/PtreeNode.java
+++ b/src/main/java/net/onrc/onos/apps/bgproute/PtreeNode.java
@@ -4,41 +4,41 @@
 import org.slf4j.LoggerFactory;
 
 public class PtreeNode {
-	public PtreeNode parent;
-	public PtreeNode left;
-	public PtreeNode right;
-	
-	public byte key[];
-	public int keyBits;
-	
-	public int refCount;
-	
-	public RibEntry rib;
-	protected final static Logger log = LoggerFactory.getLogger(BgpRoute.class);
-	
-	PtreeNode(byte [] key, int key_bits, int max_key_octet) {
-		parent = null;
-		left = null;
-		right = null;
-		refCount = 0;
-		rib = null;
-		this.key = new byte[max_key_octet];
-		this.keyBits = key_bits;
-		log.debug("inside Ptreenode constructor key {} bits {}", key, key_bits);
-		
-		int octet = Ptree.bit_to_octet(key_bits);
-		for (int i = 0; i < max_key_octet; i++) {
-			if (i < octet) {
-				if (key != null) {
-				    log.debug(octet + ": filling key[{}] {}", i, key[i]);
-				    this.key[i] = key[i];
-				} else {
-				    log.debug("no filling, null key", i);
-				}
-			} else {
-			    log.debug("filling key {} as 0", i);
-				this.key[i] = 0;
-			}
-		}
-	}
+    public PtreeNode parent;
+    public PtreeNode left;
+    public PtreeNode right;
+
+    public byte key[];
+    public int keyBits;
+
+    public int refCount;
+
+    public RibEntry rib;
+    protected final static Logger log = LoggerFactory.getLogger(BgpRoute.class);
+
+    PtreeNode(byte[] key, int key_bits, int max_key_octet) {
+        parent = null;
+        left = null;
+        right = null;
+        refCount = 0;
+        rib = null;
+        this.key = new byte[max_key_octet];
+        this.keyBits = key_bits;
+        log.debug("inside Ptreenode constructor key {} bits {}", key, key_bits);
+
+        int octet = Ptree.bit_to_octet(key_bits);
+        for (int i = 0; i < max_key_octet; i++) {
+            if (i < octet) {
+                if (key != null) {
+                    log.debug(octet + ": filling key[{}] {}", i, key[i]);
+                    this.key[i] = key[i];
+                } else {
+                    log.debug("no filling, null key", i);
+                }
+            } else {
+                log.debug("filling key {} as 0", i);
+                this.key[i] = 0;
+            }
+        }
+    }
 }