Make sure we call stop before removing a page.

Fixes a spinning cursor in case the page was not fully
loaded and we where closing it at the same time.

Change-Id: Iae6efac70c0c8be2f84e6b1551275bbdf9c5aab3
Reviewed-by: Niels Weber <niels.2.weber@nokia.com>
Reviewed-by: Karsten Heimrich <karsten.heimrich@nokia.com>

src/plugins/help/helpviewer_qtb.cpp

@@ -249,6 +249,10 @@ void HelpViewer::copy()
     QTextBrowser::copy();
 }
 
+void HelpViewer::stop()
+{
+}
+
 void HelpViewer::forward()
 {
     QTextBrowser::forward();