boot2docker: fixes

[DomT4]

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same formula update/change?
• Have you built your formula locally prior to submission with brew install <formula> (where <formula> is the name of the formula you're submitting)?
• Does your submission pass brew audit --new-formula <formula> (after doing brew install <formula>)?

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[zmwangx]

Nice 👍 One more resolved in #4841.

[zmwangx]

Um what did I just do... I'll add the bottle commit soon... (Guess I was too happy to try out the rebase and merge.)

[zmwangx]

Bottle commit in f5a7d2a.

[DomT4]

😆 I thought you were going to forget to pull a bottle again for a moment there!

[zmwangx]

Thanks to the hint in the title "Popular formulae with bottling trouble on 10.12", I didn't.

[DomT4]

Not having a ton of luck with Qt5 so far. The tip of the upstream 5.6, 5.7 and dev branches are all broken lol.

[zmwangx]

Nice. /s

[DomT4]

Yeah. Looking like might have to try the tip of the 5.7 branch with some patches from the dev branch. Bunch o'fun.

[zmwangx]

At this point you should just volunteer to be their release manager...

[DomT4]

Considering trying to slip someone at Qt a bribe to cut a working 5.7.1 tag today. Given we've refused to give up the pkg-config files for qt5 we might as well call it a fork at this point, heh.