[release-branch.go1.24] os: skip TestOpenFileCreateExclDanglingSymlink when no symlinks
Skip this test on plan9, and any other platform that doesn't
have symlinks.
For #73729
Fixes #75359
Change-Id: I8052db24ed54c3361530bd4f54c96c9d10c4714c
Reviewed-on: https://go-review.googlesource.com/c/go/+/674697
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Alan Donovan <adonovan@google.com>
Commit-Queue: Alan Donovan <adonovan@google.com>
Reviewed-by: Richard Miller <millerresearch@gmail.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
(cherry picked from commit
0375edd901f2807af29af95f60a06065c489708c)
Reviewed-on: https://go-review.googlesource.com/c/go/+/704336
Reviewed-by: David du Colombier <0intro@gmail.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Damien Neil <dneil@google.com>