Windows build fix after r154658.

* page/AutoscrollController.cpp:
(WebCore::getMainFrame):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154659 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/ChangeLog

+2013-08-26  Ryosuke Niwa  <rniwa@webkit.org>
+
+        Windows build fix after r154658.
+
+        * page/AutoscrollController.cpp:
+        (WebCore::getMainFrame):
+
 2013-08-26  Andreas Kling  <akling@apple.com>
         Page::mainFrame() should return a reference.

Source/WebCore/page/AutoscrollController.cpp

@@ -52,7 +52,7 @@ static const double autoscrollInterval = 0.05;
 static Frame* getMainFrame(Frame* frame)
 {
     Page* page = frame->page();
-    return page ? page->mainFrame() : 0;
+    return page ? &page->mainFrame() : 0;
 }
 #endif