[flang][NFC] Fix header comments in some runtime headers

Differential Revision: https://reviews.llvm.org/D110850

GitOrigin-RevId: cf1f5fbdfcf516c6ee2617a21b004b575c9c521b
diff --git a/include/flang/Runtime/allocatable.h b/include/flang/Runtime/allocatable.h
index 4818fdd..cce8035 100644
--- a/include/flang/Runtime/allocatable.h
+++ b/include/flang/Runtime/allocatable.h
@@ -1,4 +1,4 @@
-//===-- include/flang/Runtime/allocatable.h ----------------
+//===-- include/flang/Runtime/allocatable.h ---------------------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/include/flang/Runtime/entry-names.h b/include/flang/Runtime/entry-names.h
index 39a04a9..c2d68f0 100644
--- a/include/flang/Runtime/entry-names.h
+++ b/include/flang/Runtime/entry-names.h
@@ -1,4 +1,4 @@
-/*===-- include/flang/Runtime/entry-names.h -------------------------*- C -*-===
+/*===-- include/flang/Runtime/entry-names.h -------------------------*- C -*-=//
  *
  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  * See https://llvm.org/LICENSE.txt for license information.