DebugInfo: Contrain the record type parameter for CollectRecordFields

This is the correct type (as is demonstrated by the fact that the caller
didn't need to change) & will be useful in a future patch.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188575 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index 041fe49..39436e1 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -192,7 +192,7 @@
                                 llvm::DIType RecordTy);
   void CollectRecordFields(const RecordDecl *Decl, llvm::DIFile F,
                            SmallVectorImpl<llvm::Value *> &E,
-                           llvm::DIType RecordTy);
+                           llvm::DICompositeType RecordTy);
 
   void CollectVTableInfo(const CXXRecordDecl *Decl,
                          llvm::DIFile F,