[Console] Fixed notice in DialogHelper
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@ -150,7 +150,7 @@ class DialogHelper extends Helper
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$c .= fread($inputStream, 2);
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// A = Up Arrow. B = Down Arrow
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if ('A' === $c[2] || 'B' === $c[2]) {
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if (isset($c[2]) && ('A' === $c[2] || 'B' === $c[2])) {
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if ('A' === $c[2] && -1 === $ofs) {
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$ofs = 0;
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}
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