Bug 41668 (fix): Fix a wrong ifdef

Merge Info

Related Issues

• #41668 (closed)

Backport Timeline

• Immediate - patchsets for critical bug fixes or other major blocker (e.g. fixes for a 0-day exploit) OR patchsets with trivial changes which do not need testing (e.g. fixes for typos or fixes easily verified in a local developer build)
• Next Minor Stable Release - patchset that needs to be verified in nightly before backport
• Eventually - patchset that needs to be verified in alpha before backport
• No Backport - patchset for the next major stable

Upstream Merging

• Merge to base-browser - typically for !fixups to patches in the base-browser branch, though sometimes new patches as well
  • NOTE: if your changeset includes patches to both base-browser and tor-browser please please make separate merge requests for each part
  • This is already for base browser 🙂

Issue Tracking

• Link resolved issues with appropriate Release Prep issue for changelog generation

Change Description

b5f2300a changes an #ifdef XP_UNIX with #ifndef XP_WIN.

While working on #41668 (closed) I've reverted back to #ifdef, but then forgot to change the related macro.