[Merge] lp:~mitya57/qtubuntu/qt5.9 into lp:qtubuntu

[Dmitry Shachnev]

The proposal to merge lp:~mitya57/qtubuntu/qt5.9 into lp:qtubuntu has been updated.

Commit Message changed to:

Fix build with Qt 5.9 and new MIR.

For more details, see:
https://code.launchpad.net/~mitya57/qtubuntu/qt5.9/+merge/326988
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Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~mitya57/qtubuntu/qt5.9 into lp:qtubuntu.