[PushNotificationIOS] fixes requestPermissions base on @DannyvanderJagt…

[ghost]

fixes PushNotificationIOS requestPermissions base on @DannyvanderJagt's fix in #1979

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[DannyvanderJagt]

@potsypantsy Did you already sign the cla?

[ghost]

@DannyvanderJagt I will sign the cla. But the the bigger problem is actually the tests failing. I am unable to get the tests to pass :(

[DannyvanderJagt]

Does the master pass all of its tests? I will take a look at it in a few hours, maybe I can help you.

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[DannyvanderJagt]

I have created a branch with the same changes as this PR and all the tests are passing. Maybe a rebase will help.

Besides the rebase the only thing that is different is that I removed this from .travis.yml:

branches:
only:
- master

But that shouldn't be a problem.

[ghost]

@DannyvanderJagt I rebased hopefully tests will pass

[ghost]

@DannyvanderJagt tests still fail :( maybe you should make the pr instead. I will just close this one.