qt: Replace Q_FOREACH with range-for
* lang/qt/src/qgpgmekeyformailboxjob.cpp (do_work): Replace Q_FOREACH with range-for. * lang/qt/src/qgpgmekeylistjob.cpp (QGpgMEKeyListJob::resultHook): Ditto. * lang/qt/src/threadedjobmixin.cpp (_detail::audit_log_as_html): Ditto. * lang/qt/tests/t-keylist.cpp (KeyListTest::testPubkeyAlgoAsString): Ditto. * lang/qt/tests/t-keylocate.cpp (KeyLocateTest::testDaneKeyLocate, KeyLocateTest::testKeyLocateSingle): Ditto. * lang/qt/src/qgpgmesignencryptjob.cpp (sign_encrypt): Replace Q_FOREACH with range-for. Add braces around single statement blocks. * lang/qt/src/qgpgmesignjob.cpp (sign): Ditto. * lang/qt/src/qgpgmenewcryptoconfig.cpp (QGpgMENewCryptoConfig::reloadConfiguration, QGpgMENewCryptoConfig::sync, QGpgMENewCryptoConfigComponent::setComponent, QGpgMENewCryptoConfigEntry::urlValueList, QGpgMENewCryptoConfigEntry::setURLValueList): Replace Q_FOREACH with range-for. Fix indentation. Add braces around single statement blocks.
Where necessary the iterated object is wrapped with qAsConst to avoid
deep copies of the iterated object.