[flang] Improve comment.

Original-commit: flang-compiler/f18@270514a30b
Reviewed-on: https://github.com/flang-compiler/f18/pull/70

flang/lib/semantics/resolve-names.cc

@@ -392,7 +392,7 @@ private:
   std::optional<Attr> objectDeclAttr_;
   // Set when we see a stmt function that is really an array element assignment
   bool badStmtFuncFound_{false};
-  // The location of the last AccessStmt seen, if any.
+  // The location of the last AccessStmt without access-ids, if any.
   const parser::CharBlock *prevAccessStmt_{nullptr};
   // The default access spec for this module.
   Attr defaultAccess_{Attr::PUBLIC};