module.exports should default to an empty object.

sky/engine/bindings/core/v8/ScriptController.cpp

Index: sky/engine/bindings/core/v8/ScriptController.cpp
diff --git a/sky/engine/bindings/core/v8/ScriptController.cpp b/sky/engine/bindings/core/v8/ScriptController.cpp
index bd14d09324be2c154b35cdc279e022a54c84a61c..ffc6aeefd5ce3126a21b1115d27ab5d1f4266c15 100644
--- a/sky/engine/bindings/core/v8/ScriptController.cpp
+++ b/sky/engine/bindings/core/v8/ScriptController.cpp
@@ -295,7 +295,7 @@ void ScriptController::executeModuleScript(AbstractModule& module, const String&
                     scriptModule.formalDependencies.append(name);
                     v8::Handle<v8::Value> actual;
                     if (Module* childModule = child->module())
-                        actual = childModule->exports().v8Value();
+                        actual = childModule->exports(scriptState).v8Value();
                     if (actual.IsEmpty())
                         actual = v8::Undefined(m_isolate);
                     scriptModule.resolvedDependencies.append(actual);