Adam Barth bb8b9c611c Fix type error found by dartanalyzer --strong ...

We were declaring that the function passed to setState should return a
Function. In reality, we want the function to return void (and everyone calls
it with a function that returns void).

2015-07-21 22:42:04 -07:00

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flutter

Fix type error found by dartanalyzer --strong

2015-07-21 22:42:04 -07:00