[test] [filesystems] NetBSD can do symlink permissions too

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@348968 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp b/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
index cbe2b2d..b5fb838 100644
--- a/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
+++ b/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
@@ -159,7 +159,7 @@
         {perms::owner_all, perms::group_all, perm_options::remove},
     };
     for (auto const& TC : cases) {
-#if defined(__APPLE__) || defined(__FreeBSD__)
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)
         // On OS X symlink permissions are supported. We should get an empty
         // error code and the expected permissions.
         const auto expected_link_perms = TC.expected;