small fix in html5lib warning message

R=jmesserly@google.com

Review URL: https://codereview.chromium.org//174633003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/third_party/html5lib@32945 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/lib/parser.dart b/lib/parser.dart
index 8bfa5c5..013ebcd 100644
--- a/lib/parser.dart
+++ b/lib/parser.dart
@@ -1683,7 +1683,7 @@
         }
         // Not sure this is the correct name for the parse error
         parser.parseError(token.span, "expected-one-end-tag-but-got-another",
-            {"expectedName": "body", "gotName": node.tagName});
+            {"gotName": "body", "expectedName": node.tagName});
         break;
       }
     }