Regularize header file comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9071 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/Interval.cpp b/lib/Analysis/Interval.cpp
index b966c99..1f91fde 100644
--- a/lib/Analysis/Interval.cpp
+++ b/lib/Analysis/Interval.cpp
@@ -1,4 +1,4 @@
-//===- Interval.cpp - Interval class code ------------------------*- C++ -*--=//
+//===- Interval.cpp - Interval class code ---------------------------------===//
 //
 // This file contains the definition of the Interval class, which represents a
 // partition of a control flow graph of some kind.