fix for nsbeta3+ bug 39948, Start Mozilla is disabled after creating a profile

profile/resources/content/profileManager.js

@@ -274,6 +274,4 @@ function HandleClickEvent( aEvent )
         aEvent.target.parentNode.parentNode.nodeName.toLowerCase() != "treehead" )
       return onStart(); 
   }
-  else 
-    return showSelection(aEvent.target.parentNode.parentNode);
 }

profile/resources/content/profileSelection.xul

@@ -85,6 +85,7 @@
     <box orient="vertical" flex="1">
       <tree id="profiles" class="inset" flex="1"
             onclick="HandleClickEvent( event );"
+            onselect="DoEnabling();"
             onkeypress="HandleKeyEvent( event );">
         <treecolgroup>
           <treecol flex="1"/>