build(boring-sys): simplify prefix_symbols build

[0x676e67]

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[gemini-code-assist]

Summary of Changes

Hello @0x676e67, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request simplifies the build logic for boring-sys by restructuring a platform compatibility check. The change ensures that the panic! for unsupported targets when using the prefix_symbols feature is only triggered if the feature itself is active, leading to a more streamlined and logically consistent build process.

Highlights

• Build Logic Refinement: The conditional check that triggers a panic when the prefix_symbols feature is used on unsupported platforms (macOS, iOS, Windows) has been moved. It is now nested within the if config.features.prefix_symbols block, ensuring the check is only evaluated if the feature is actually enabled.

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[gemini-code-assist]

Code Review

This pull request simplifies the logic for handling the prefix_symbols feature by consolidating two checks into a single if block. This is a good refactoring that improves code clarity. I've added one suggestion to further improve readability by using a match statement, which is a more idiomatic way to handle such cases in Rust.