Rename dummy_hir_id -> parent_hir_id

Author: flip1995

clippy_lints/src/utils/author.rs

@@ -97,8 +97,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Author {
             return;
         }
         prelude();
-        let dummy_hir_id = cx.tcx.hir().get_parent_node(var.id);
-        PrintVisitor::new("var").visit_variant(var, &hir::Generics::empty(), dummy_hir_id);
+        let parent_hir_id = cx.tcx.hir().get_parent_node(var.id);
+        PrintVisitor::new("var").visit_variant(var, &hir::Generics::empty(), parent_hir_id);
         done();
     }