qtscxml fails after moc changes

    fprintf(out, "\n);\n"
            "#else  // !QT_MOC_HAS_STRINGDATA\n");
    fprintf(out, "#error \"qtmochelpers.h not found or too old.\"\n");
    fprintf(out, "#endif // !QT_MOC_HAS_STRINGDATA\n");
    fprintf(out, "} // unnamed namespace\n\n");