Move Decl::NextDeclarator (w/ setters/getters) down to ScopedDecl/FieldDecl.

Decl is now svelte:-)



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41935 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/Sema.h b/Sema/Sema.h
index 3095308..1e74321 100644
--- a/Sema/Sema.h
+++ b/Sema/Sema.h
@@ -165,7 +165,7 @@
                              DeclTy **Elements, unsigned NumElements);
 private:
   /// Subroutines of ParseDeclarator()...
-  TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, Decl *LastDeclarator);
+  TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, ScopedDecl *LastDecl);
   TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, ScopedDecl *Old);
   FunctionDecl *MergeFunctionDecl(FunctionDecl *New, ScopedDecl *Old);
   VarDecl *MergeVarDecl(VarDecl *New, ScopedDecl *Old);