[gnome-remote-desktop] session-rdp: Add handling to tear down display control channel

[Jonas Ådahl <jadahl src gnome org>]

commit eea0e3c0d5a3fb6232f899cf80e29d568e6c066d
Author: Pascal Nowack <Pascal Nowack gmx de>
Date:   Sat Jun 18 08:31:28 2022 +0200

    session-rdp: Add handling to tear down display control channel
    
    This allows tearing down the display control channel, when e.g. the DVC
    creation failed.

 src/grd-session-rdp.c | 3 +++
 src/grd-session-rdp.h | 1 +
 2 files changed, 4 insertions(+)
---
diff --git a/src/grd-session-rdp.c b/src/grd-session-rdp.c
index cc1b00d2..78f5d9fe 100644
--- a/src/grd-session-rdp.c
+++ b/src/grd-session-rdp.c
@@ -818,6 +818,9 @@ grd_session_rdp_tear_down_channel (GrdSessionRdp *session_rdp,
     case GRD_RDP_CHANNEL_AUDIO_PLAYBACK:
       g_clear_object (&rdp_peer_context->audio_playback);
       break;
+    case GRD_RDP_CHANNEL_DISPLAY_CONTROL:
+      g_clear_object (&rdp_peer_context->display_control);
+      break;
     case GRD_RDP_CHANNEL_TELEMETRY:
       g_clear_object (&rdp_peer_context->telemetry);
       break;
diff --git a/src/grd-session-rdp.h b/src/grd-session-rdp.h
index 15b4c917..71577a8b 100644
--- a/src/grd-session-rdp.h
+++ b/src/grd-session-rdp.h
@@ -44,6 +44,7 @@ typedef enum _GrdRdpChannel
 {
   GRD_RDP_CHANNEL_NONE,
   GRD_RDP_CHANNEL_AUDIO_PLAYBACK,
+  GRD_RDP_CHANNEL_DISPLAY_CONTROL,
   GRD_RDP_CHANNEL_TELEMETRY,
 } GrdRdpChannel;