Make sure to ignore applications that can't be restored.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

src/tqtraylabel.cpp

@@ -1070,6 +1070,10 @@ bool TQTrayLabel::restoreState(TDEConfig *config)
 
   dock();
   scanClients();  // Grab window
+  if (mDockedWindow == None)
+  {
+    return false;
+  }
   if (mWithdrawn)
   {
     withdraw();

src/traylabelmgr.cpp

@@ -543,7 +543,11 @@ void TrayLabelMgr::doRestoreSession()
       {
         TRACE("Restoring Application[%s]", pname.ascii());
         manageTrayLabel(new TQTrayLabel(TQStringList::split(" ", pname), 0));
-        mTrayLabels.getFirst()->restoreState(config);
+        if (!mTrayLabels.getFirst()->restoreState(config))
+        {
+          // Failed to restore the application, remove the tray label
+          delete mTrayLabels.take(0);
+        }
       }
     }
   }