[gnome-remote-desktop] session-rdp: Do not crash, when credentials are not set

[Jonas Ådahl <jadahl src gnome org>]

commit 1d52df54e32e830894d93ebb2e4e9741cea073bc
Author: Pascal Nowack <Pascal Nowack gmx de>
Date:   Tue Aug 2 06:31:52 2022 +0200

    session-rdp: Do not crash, when credentials are not set

 src/grd-session-rdp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/src/grd-session-rdp.c b/src/grd-session-rdp.c
index 69f8ee3b..2d9dac3a 100644
--- a/src/grd-session-rdp.c
+++ b/src/grd-session-rdp.c
@@ -2359,7 +2359,11 @@ grd_session_rdp_new (GrdRdpServer      *rdp_server,
                                          &username, &password,
                                          &error))
     {
-      g_warning ("Couldn't retrieve RDP credentials: %s", error->message);
+      if (error)
+        g_warning ("[RDP] Couldn't retrieve RDP credentials: %s", error->message);
+      else
+        g_message ("[RDP] Credentials are not set, denying client");
+
       return NULL;
     }