Hints for naev in main

Warnings

• screenshot-save-error
  Unable to store screenshot for 'https://naev.org/imgs/screenshots_0.13.0/title_screen.webp': Could not load source screenshot for storing: Unrecognized image file format
• screenshot-save-error
  Unable to store screenshot for 'https://naev.org/imgs/screenshots_0.13.0/shipyard.webp': Could not load source screenshot for storing: Unrecognized image file format
• screenshot-save-error
  Unable to store screenshot for 'https://naev.org/imgs/screenshots_0.13.0/lucky_find.webp': Could not load source screenshot for storing: Unrecognized image file format
• screenshot-download-error
  Error while downloading screenshot from 'https://naev.org/imgs/screenshots_0.13.0/black_hole.webp': URL was not found on the server.
  This might be a temporary server issue, or the screenshot is no longer available.
• screenshot-download-error
  Error while downloading screenshot from 'https://naev.org/imgs/screenshots_0.13.0/nebula_fightew.bep': URL was not found on the server.
  This might be a temporary server issue, or the screenshot is no longer available.