Qnx: Fix tag for splashscreens

Task-number: QTCREATORBUG-9626
Task-number: QTCREATORBUG-9083

Cherry-picked: 4ff03aa7

Change-Id: I69915d9da91cde39b1bc32f150c30a5e97cba157
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/qnx/bardescriptordocumentnodehandlers.cpp

@@ -349,7 +349,7 @@ QDomNode BarDescriptorDocumentSplashScreenNodeHandler::toNode(QDomDocument &doc)
     if (splashScreens.isEmpty())
         return QDomElement();
 
-    QDomElement splashScreenElement = doc.createElement(QLatin1String("splashscreens"));
+    QDomElement splashScreenElement = doc.createElement(QLatin1String("splashScreens"));
     foreach (const QString &splashScreen, splashScreens)
         splashScreenElement.appendChild(createSimpleTextElement(doc, QLatin1String("image"), splashScreen));