* src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.

From-SVN: r270033

libstdc++-v3/ChangeLog

+2019-03-30  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
+
 2019-03-28  Ville Voutilainen  <ville.voutilainen@gmail.com>
 
 	Don't revisit a variant we are already visiting.

libstdc++-v3/src/c++17/fs_ops.cc

@@ -1127,7 +1127,7 @@ fs::permissions(const path& p, perms prms, perm_options opts,
     err = errno;
 #else
   if (nofollow && is_symlink(st))
-    ec = std::make_error_code(std::errc::operation_not_supported);
+    ec = std::make_error_code(std::errc::not_supported);
   else if (posix::chmod(p.c_str(), static_cast<mode_t>(prms)))
     err = errno;
 #endif