Eliminate tab character from datastore package

Change-Id: I6eea92ce72268c4ca90f1bd24bdccf7edf4cbb7f
diff --git a/src/main/java/net/onrc/onos/datastore/utils/ByteArrayComparator.java b/src/main/java/net/onrc/onos/datastore/utils/ByteArrayComparator.java
index 56b088f..fbe3ebd 100644
--- a/src/main/java/net/onrc/onos/datastore/utils/ByteArrayComparator.java
+++ b/src/main/java/net/onrc/onos/datastore/utils/ByteArrayComparator.java
@@ -17,8 +17,8 @@
 
     @Override
     public int compare(final byte[] o1, final byte[] o2) {
-	final ByteBuffer b1 = ByteBuffer.wrap(o1);
-	final ByteBuffer b2 = ByteBuffer.wrap(o2);
-	return b1.compareTo(b2);
+        final ByteBuffer b1 = ByteBuffer.wrap(o1);
+        final ByteBuffer b2 = ByteBuffer.wrap(o2);
+        return b1.compareTo(b2);
     }
 }