cosmetic: Fix trailing whitespace

Change-Id: Ia647cfed0acb35adeb9b3b7824170d06c0369ef7
diff --git a/Transceiver52M/radioInterfaceMulti.cpp b/Transceiver52M/radioInterfaceMulti.cpp
index 650fd85..b3add21 100644
--- a/Transceiver52M/radioInterfaceMulti.cpp
+++ b/Transceiver52M/radioInterfaceMulti.cpp
@@ -1,7 +1,7 @@
 /*
  * Multi-carrier radio interface
  *
- * Copyright (C) 2016 Ettus Research LLC 
+ * Copyright (C) 2016 Ettus Research LLC
  *
  * Author: Tom Tsou <tom.tsou@ettus.com>
  *