Eliminate tab character from datastore package

Change-Id: I6eea92ce72268c4ca90f1bd24bdccf7edf4cbb7f
diff --git a/src/main/java/net/onrc/onos/datastore/ObjectDoesntExistException.java b/src/main/java/net/onrc/onos/datastore/ObjectDoesntExistException.java
index 712ba4e..030680f 100644
--- a/src/main/java/net/onrc/onos/datastore/ObjectDoesntExistException.java
+++ b/src/main/java/net/onrc/onos/datastore/ObjectDoesntExistException.java
@@ -9,17 +9,17 @@
     private static final long serialVersionUID = 859082748533417866L;
 
     public ObjectDoesntExistException(final String message) {
-	super(message);
+        super(message);
     }
 
     public ObjectDoesntExistException(final IKVTableID tableID,
-	    final byte[] key, final Throwable cause) {
-	super(ByteArrayUtil.toHexStringBuffer(key, ":")
-	        + " did not exist on table:" + tableID, cause);
+            final byte[] key, final Throwable cause) {
+        super(ByteArrayUtil.toHexStringBuffer(key, ":")
+                + " did not exist on table:" + tableID, cause);
     }
 
     public ObjectDoesntExistException(final IKVTableID tableID, final byte[] key) {
-	super(ByteArrayUtil.toHexStringBuffer(key, ":")
-	        + " did not exist on table:" + tableID);
+        super(ByteArrayUtil.toHexStringBuffer(key, ":")
+                + " did not exist on table:" + tableID);
     }
 }