Wiped out some non-ascii characters that snuck into the copyright.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/string b/include/string
index 6839f49..2e041c6 100644
--- a/include/string
+++ b/include/string
@@ -1,7 +1,7 @@
 // -*- C++ -*-
 //===--------------------------- string -----------------------------------===//
 //
-// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
+//                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.