Replaced copyright notice
diff --git a/src/ProtocolBuffers/MessageStreamIterator.cs b/src/ProtocolBuffers/MessageStreamIterator.cs
index 61dbf84..7239e9a 100644
--- a/src/ProtocolBuffers/MessageStreamIterator.cs
+++ b/src/ProtocolBuffers/MessageStreamIterator.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Collections;