jom: Error C2440 when building JOM from sources.

230        QMap<QString,QString>::ConstIterator it = copy.constBegin(),
231                                             end = copy.constEnd();

C:\jom\src\jomlib\process.cpp:230: ошибка: C2440: инициализация: невозможно преобразовать "QMap<Key,T>::const_iterator" в "QMap<Key,T>::const_iterator"
with
[
    Key=NMakeFile::ProcessEnvironmentKey,
    T=QString
]
and
[
    Key=QString,
    T=QString
]