[llvm] [test] llvm-ar: Fix inadvertent unXFAIL for Apple platforms (PR #159796)

[James Henderson via llvm-commits]

================
@@ -1,5 +1,6 @@
 ## Test extract operation.
 # XFAIL: target={{.*}}-darwin{{.*}}
+# XFAIL: target={{.*}}-apple{{.*}}
----------------
jh7370 wrote:

"apple" here doesn't line up with the "macosx" you mention in the PR description?

https://github.com/llvm/llvm-project/pull/159796