Don't use stackalloc for two bytes

This avoids the stack cookie
2 days ago · 7b8749d8dc
1 changed files with 1 additions and 1 deletions
--- a/src/ImageSharp/Formats/Jxl/Processing/Decoder/JxlDecoderCore.cs
+++ b/src/ImageSharp/Formats/Jxl/Processing/Decoder/JxlDecoderCore.cs
@ -1505,7 +1505,7 @@ internal sealed class JxlDecoderCore : ImageDecoderCore, IDisposable
    {
        if (!this.gotCodestreamSignature)
        {
-            Span<byte> fileSignature = stackalloc byte[2];
+            Span<byte> fileSignature = [0, 0];
            stream.ReadExactly(fileSignature);
            if (fileSignature[0] != 0xFF || fileSignature[1] != JxlShared.CodestreamMarker)