Remove trailing whitespace

llvm-svn: 21428
diff --git a/llvm/utils/TableGen/TableGenBackend.h b/llvm/utils/TableGen/TableGenBackend.h
index deeb385..9e9089e 100644
--- a/llvm/utils/TableGen/TableGenBackend.h
+++ b/llvm/utils/TableGen/TableGenBackend.h
@@ -1,10 +1,10 @@
 //===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // The TableGenBackend class is provided as a common interface for all TableGen