Standardize header file comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8782 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/Support/DOTGraphTraits.h b/include/Support/DOTGraphTraits.h
index 2371b66..6ffade8 100644
--- a/include/Support/DOTGraphTraits.h
+++ b/include/Support/DOTGraphTraits.h
@@ -1,4 +1,4 @@
-//===-- Support/DotGraphTraits.h - Customize .dot output -------*- C++ -*--===//
+//===-- Support/DotGraphTraits.h - Customize .dot output --------*- C++ -*-===//
 //
 // This file defines a template class that can be used to customize dot output
 // graphs generated by the GraphWriter.h file.  The default implementation of