Standardize header comments of top-level Makefiles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13143 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.common b/Makefile.common
index 1884a8a..9fe71c0 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -1,11 +1,11 @@
-#===-- Makefile.common - Common make rules for LLVM -------*- makefile -*--====
+#===-- 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.