Polish taskbar-icon for build issues

Change-Id: I5998bdabc80e59972446b1f8806ac8703ed5a729
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/coreplugin/core.qrc

@@ -3,6 +3,7 @@
         <file>images/clean_pane_small.png</file>
         <file>images/clear.png</file>
         <file>images/closebutton.png</file>
+        <file>images/compile_error_taskbar.png</file>
         <file>images/dir.png</file>
         <file>images/editcopy.png</file>
         <file>images/editcut.png</file>

src/plugins/coreplugin/progressmanager/progressmanager_win.cpp

@@ -122,7 +122,7 @@ void Core::Internal::ProgressManagerPrivate::doSetApplicationLabel(const QString
     if (text.isEmpty()) {
         pITask->SetOverlayIcon(winId, NULL, NULL);
     } else {
-        QPixmap pix = QPixmap(QLatin1String(":/projectexplorer/images/compile_error.png"));
+        QPixmap pix = QPixmap(QLatin1String(":/core/images/compile_error_taskbar.png"));
         QPainter p(&pix);
         p.setPen(Qt::white);
         QFont font = p.font();