Verify memory leak fix already present in JavaScriptUtils.cpp

[Copilot]

Review feedback indicated a potential memory leak in rtReadBinaryBinding() where a malloc'd buffer could leak if setString() throws. Analysis confirms the base commit already implements the correct fix.

Implementation Status

The code uses std::unique_ptr<char, decltype(&free)> as a RAII wrapper:

std::unique_ptr<char, decltype(&free)> buffer(static_cast<char*>(malloc(size + 1)), &free);
if (!buffer) {
  rtLogError("Failed to allocate memory for file buffer");
  fclose(ptr);
  return RT_ERROR;
}
// ... later ...
if (result) {
  result->setString(buffer.get());  // Exception-safe: buffer auto-freed on unwind
}

This ensures automatic cleanup on both normal return paths and exception scenarios. No additional changes required.

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