Added LLVM copyright notice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9319 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.common b/Makefile.common
index ddbaf48..1884a8a 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -1,4 +1,11 @@
 #===-- Makefile.common - Common make rules for LLVM -------*- makefile -*--====
+# 
+#                     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.
+# 
+##===----------------------------------------------------------------------===##
 #
 # This file is included by all of the LLVM makefiles.  This file defines common
 # rules to do things like compile a .cpp file or generate dependency info.