Fix GifReader exceptions (#13760)
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@ -6,7 +6,7 @@ class GifReader
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EXTENSION_LABELS = [0xf9, 0x01, 0xff].freeze
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EXTENSION_LABELS = [0xf9, 0x01, 0xff].freeze
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GIF_HEADERS = %w(GIF87a GIF89a).freeze
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GIF_HEADERS = %w(GIF87a GIF89a).freeze
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class GifReaderException; end
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class GifReaderException < StandardError; end
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class UnknownImageType < GifReaderException; end
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class UnknownImageType < GifReaderException; end
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