Fix build failure on New Build System (default on Xcode 10)

[gin0606]

same reason as RxSwiftCommunity/RxDataSources#237

[ashfurrow]

Okay, makes sense! Can you add a note to the changelog?

[gin0606]

@ashfurrow
I Update changelog.
thx

[bobgodwinx]

@gin0606 + @ashfurrow I guess this is already done in PR 153

[mAu888]

@bobgodwinx No I think this is still required. The other one was just updating to Swift 4.2. In our project we have RxSwift as a dependency as well as Action obviously. And using 3.7 (that includes the upgrade to Swift 4.2) I'm still unable to build our project. As I understand, this seems to lead to the problem described in RxSwiftCommunity/RxDataSources#237 that the new build system is trying to build Rx twice (one time from our Cartfile and the the one referred to from the Action.xcworkspace).

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[ashfurrow]

I have released this as 3.8.0 but I think Carthage sometimes gets confused between git tags and GitHub releases. @bobgodwinx would you be free to draft up a GitHub release?

[bobgodwinx]

I’l Do that on the weekend. I am currently on a work trip.

[mAu888]

@ashfurrow @bobgodwinx Actually I can also take care of that. It's only about writing a summary of changes, right? I don't see prebuilt binaries attached on previous releases.

[ashfurrow]

Correct, thanks!

[mAu888]

✅ done.