Fix QT_NO_LIBRARY compile in Unix DNS lookup implementation.

The static method QDnsLookupRunnable::query() got an additional parameter for QTBUG-30166, but the #ifdef'd part was not updated.

Change-Id: Ifc317bfae6e02c00936e1922ec77f89fb5faf497
Reviewed-by: Richard J. Moore <rich@kde.org>
Fix QT_NO_BEARERMANAGEMENT compile of QHttpThreadDelegate.

Re-order the constructor parameters for QHttpNetworkConnection to be consistent with the #ifndef version.

Change-Id: Icd8be4406ff549d468e06d635fac2ddc34826b1c
Reviewed-by: Richard J. Moore <rich@kde.org>
Fix QT_NO_SETTINGS build in QLibraryInfo.

One reference to QSettings was only guarded by QT_BOOTSTRAPPED.

Change-Id: I2f9761ee88b4a45edb16054fdba3c3f11fec12ff
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>