AvoidUninitializedVariable triggers on break, continue, and return in nested while loop.

[imfrancisd]

while ($true) {
    $i = 0
    while ($true) {

        #break, continue, and return
        #causes AvoidUninitializedVariable for $i.

        $i
        break
    }
}

[quoctruong]

Fixed by #227