From 95d55f4b96b000cf1e463e2e1afed75abb07c161 Mon Sep 17 00:00:00 2001
From: Victor Berger <victor.berger@m4x.org>
Date: Tue, 25 Sep 2018 11:20:17 +0200
Subject: [PATCH] fix yet more errors with logind backend

---
 src/backend/session/auto.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/backend/session/auto.rs b/src/backend/session/auto.rs
index d564c29..602854e 100644
--- a/src/backend/session/auto.rs
+++ b/src/backend/session/auto.rs
@@ -215,7 +215,9 @@ impl SessionNotifier for AutoSessionNotifier {
             }
         }
     }
+
     fn unregister(&mut self, signal: Self::Id) {
+        #[allow(unreachable_patterns)]
         match (self, signal) {
             #[cfg(feature = "backend_session_logind")]
             (&mut AutoSessionNotifier::Logind(ref mut logind), AutoId(AutoIdInternal::Logind(signal))) => {
@@ -224,6 +226,8 @@ impl SessionNotifier for AutoSessionNotifier {
             (&mut AutoSessionNotifier::Direct(ref mut direct), AutoId(AutoIdInternal::Direct(signal))) => {
                 direct.unregister(signal)
             }
+            // this pattern is needed when the logind backend is activated
+            _ => unreachable!()
         }
     }