fix cocoa5 header path

[wangyenshu]

Template B: Checklist for updating a package

• ⚠️ Bump build number if the version remains unchanged
• Or reset build number to 0 if updating the package to a newer version

---

PR Formatting

• PR title follows format: Add [package-name] or Update [package-name] to [version]
• PR description includes:
  • Version being added/updated
  • Any special build considerations or patches applied

Package Details

• Package Name: cocoa5
• Version: 0.99850

Build Notes

[IsabelParedes]

Thank you!