Fixed compile errors when using QT_USE_FAST_CONCATENATION and QT_USE_FAST_OPERATOR_PLUS to compile kdelibs...

svn path=/trunk/KDE/kdelibs/; revision=1194330

datacontainer.cpp

@@ -215,7 +215,7 @@ void DataContainerPrivate::store()
             QByteArray b;
             QDataStream ds(&b, QIODevice::WriteOnly);
             ds << it.value();
-            op.writeEntry("key", "base64-" + it.key());
+            op.writeEntry("key", QString(QLatin1String("base64-") + it.key()));
             op.writeEntry("data", b.toBase64());
         }
         ++it;

widgets/declarativewidget.cpp

@@ -74,7 +74,7 @@ void DeclarativeWidgetPrivate::errorPrint()
     if(component->isError()){
         QList<QDeclarativeError> errors = component->errors();
         foreach (const QDeclarativeError &error, errors) {
-            errorStr += (error.line()>0?QString::number(error.line()) + ": ":"")
+            errorStr += (error.line()>0?QString(QString::number(error.line()) + QLatin1String(": ")):QLatin1String(""))
                 + error.description() + '\n';
         }
     }