Update documentation links to point to the correct URLs.
Review URL: https://codereview.chromium.org//12252055

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/logging@18552 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/pubspec.yaml b/pubspec.yaml
index 5c2c045..208667b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: logging
 author: "Dart Team <misc@dartlang.org>"
 homepage: http://www.dartlang.org
-documentation: http://api.dartlang.org/docs/pkg/logging.html
+documentation: http://api.dartlang.org/docs/pkg/logging
 description: >
  Provides APIs for debugging and error logging. This library introduces
  abstractions similar to those used in other languages, such as the Closure JS