Update library syntax in pkg files.
Review URL: https://codereview.chromium.org//11362139

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/logging@14646 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/lib/logging.dart b/lib/logging.dart
index b423e20..3713175 100644
--- a/lib/logging.dart
+++ b/lib/logging.dart
@@ -7,7 +7,7 @@
  * abstractions similar to those used in other languages, such as the Closure JS
  * Logger and java.util.logging.Logger.
  */
-#library('logging');
+library logging;
 
 /**
  * Whether to allow fine-grain logging and configuration of loggers in a