message: Fix implicit signed conversion /3
diff: @@ -14,7 +14,7 @@ namespace duckdb {
  class GZipFileSystem : public CompressedFileSystem {
  // 32 KB
  - static constexpr const idx_t BUFFER_SIZE = 1 << 15;
  + static constexpr const idx_t BUFFER_SIZE = 1u << 15;
  public:
  unique_ptr<FileHandle> OpenCompressedFile(unique_ptr<FileHandle> handle, bool write) override;
  