hydra-module: Fix typo.

Dependencies

• [2] ZVGQP2SX hydra-module: Add a `logo' option.
• [3] D3MDJONY
• [4] INUGMXTG hydra-module: Add a `port' option.

Change contents

• replacement in hydra-module.nix at line 21
  [3.47]→[2.0:94](∅→∅)
  − + ${if cfg.logo != null

  − then ''HYDRA_LOGO="${cfg.logo}" ''

  − else ""}
  [3.47]

  [3.451]
  + + (if cfg.logo != null

  + then ''HYDRA_LOGO="${cfg.logo}" ''

  + else "")