[Chapel Merge] Forgot to add PREDIFF symlink in previous PR

Branch: refs/heads/main
Revision: be3c52f
Author: stonea
Link: Forgot to add PREDIFF symlink in previous PR. by stonea · Pull Request #19875 · chapel-lang/chapel · GitHub
Log Message:

Merge pull request #19875 from stonea/forgotten_symlink

Forgot to add PREDIFF symlink in previous PR.

Previous PR was: "Fix failing GPU tests. #19848"

[Reviewed by nobody; trivial change to fix test failure]

Modified Files:
A test/gpu/native/multiGPU/PREDIFF

Compare: https://github.com/chapel-lang/chapel/compare/e4efca905abd...be3c52f0c0e5