Fixes #456. Fix constructor name and update export
diff --git a/LanguageFeatures/Extension-methods/tearoffs1.lib.dart b/LanguageFeatures/Extension-methods/tearoffs1.lib.dart
index f341087..c626bf5 100644
--- a/LanguageFeatures/Extension-methods/tearoffs1.lib.dart
+++ b/LanguageFeatures/Extension-methods/tearoffs1.lib.dart
@@ -11,7 +11,7 @@
 
 class X {
   Object val;
-  C(this.val);
+  X(this.val);
 
   String toString() => val.toString();
 }
diff --git a/LanguageFeatures/Extension-methods/tearoffs2.lib.dart b/LanguageFeatures/Extension-methods/tearoffs2.lib.dart
index 7e1fbd5..17453b2 100644
--- a/LanguageFeatures/Extension-methods/tearoffs2.lib.dart
+++ b/LanguageFeatures/Extension-methods/tearoffs2.lib.dart
@@ -10,5 +10,5 @@
 
 library tearoff2_lib;
 import "tearoffs1.lib.dart";
-export "tearoffs1.lib.dart" show funcFoo, funcBar, funcBar2;
+export "tearoffs1.lib.dart" show funcFoo, funcBar, funcBar2, X;