Fix handling broken tRNS chunk

image-rs / image-png

PNG decoding and encoding library in pure Rust

https://docs.rs/png

Apache License 2.0

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Closed HeroicKatora closed 2 years ago

HeroicKatora commented 2 years ago

Closes: #346

Readers will ignore this chunk if it is broken. Ignoring it is handled by assuming an empty table.