Fix for an issue with the tabView close button. The ontabclose-event …

…didn't stop the event-propagation, so the click-event was automatically triggered after an ontabclose.

git-svn-id: https://qooxdoo.svn.sourceforge.net/svnroot/qooxdoo/tags/release_0_6_4@9276 61aaf1ca-a10e-0410-b9fb-ac63ec25887f

qooxdoo/frontend/framework/source/class/qx/ui/pageview/tabview/Button.js

@@ -114,6 +114,7 @@ qx.Proto._onkeypress = function(e)
 
 qx.Proto._ontabclose = function(e){
   this.createDispatchDataEvent("closetab", this);
+  e.stopPropagation();
 }