Properly close the Linux directory watcher when listing a subdirectory fails.

R=rnystrom@google.com
BUG=15279

Review URL: https://codereview.chromium.org//89503002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/watcher@30690 260f80e4-7a28-3924-810f-c04153c831b5

pkgs/watcher/lib/src/directory_watcher/linux.dart

diff --git a/pkgs/watcher/lib/src/directory_watcher/linux.dart b/pkgs/watcher/lib/src/directory_watcher/linux.dart
index 5196078..d62c6ef 100644
--- a/pkgs/watcher/lib/src/directory_watcher/linux.dart
+++ b/pkgs/watcher/lib/src/directory_watcher/linux.dart
@@ -166,7 +166,7 @@
         if (error is FileSystemException) return;
 
         _eventsController.addError(error, stackTrace);
-        _eventsController.close();
+        close();
       }, cancelOnError: true);
     });
   }