Add more missing license headers

llvm-svn: 258198

1 files changed, 9 insertions, 0 deletions

diff --git a/libcxx/utils/sym_check/sym_diff.py b/libcxx/utils/sym_check/sym_diff.py
index 054c6c18e3e..69c340028c6 100755
--- a/libcxx/utils/sym_check/sym_diff.py
+++ b/libcxx/utils/sym_check/sym_diff.py
@@ -1,7 +1,16 @@
 #!/usr/bin/env python
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
 """
 sym_diff - Compare two symbol lists and output the differences.
 """
+
 from argparse import ArgumentParser
 import sys
 from sym_check import diff, util