fix file headers.

llvm-svn: 75437
diff --git a/clang/lib/Index/DeclReferenceMap.cpp b/clang/lib/Index/DeclReferenceMap.cpp
index 841d7fb..95de2ea 100644
--- a/clang/lib/Index/DeclReferenceMap.cpp
+++ b/clang/lib/Index/DeclReferenceMap.cpp
@@ -1,4 +1,4 @@
-//===--- DeclReferenceMap.cpp - Map Decls to their references ---*- C++ -*-===//
+//===--- DeclReferenceMap.cpp - Map Decls to their references -------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //