Fixes.

sdk/lib/io/secure_socket.dart

Index: sdk/lib/io/secure_socket.dart
diff --git a/sdk/lib/io/secure_socket.dart b/sdk/lib/io/secure_socket.dart
index b887601e376f34c2319d807adec8f4586d7baf96..a76d36b90fb9477dc7c9b25de4b42c82e5136f5d 100644
--- a/sdk/lib/io/secure_socket.dart
+++ b/sdk/lib/io/secure_socket.dart
@@ -572,7 +572,7 @@ class _RawSecureSocket extends Stream<RawSocketEvent>
     // TODO(whesse): Call _reportError from all internal functions that throw.
     if (e is SocketIOException) {
       e = new SocketIOException('$message (${e.message})', e.osError);
-    } else if (error is OSError) {
+    } else if (e is OSError) {
       e = new SocketIOException(message, e);
     } else {
       e = new SocketIOException('$message (${e.toString()})', null);