[gtk/4.0-backports: 42/53] gdk: Remove a redundant check

[Matthias Clasen <matthiasc src gnome org>]

commit acb3e489cb1b067124252c98d009786a6004ae47
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Feb 4 00:29:51 2021 -0500

    gdk: Remove a redundant check
    
    We already know desktop_notification_id is not NULL.
    
    Pointed out in https://www.viva64.com/en/b/0793/

 gdk/gdk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gdk/gdk.c b/gdk/gdk.c
index 953079cdd5..a0938af58a 100644
--- a/gdk/gdk.c
+++ b/gdk/gdk.c
@@ -173,7 +173,7 @@ stash_desktop_startup_notification_id (void)
       if (!g_utf8_validate (desktop_startup_id, -1, NULL))
         g_warning ("DESKTOP_STARTUP_ID contains invalid UTF-8");
       else
-        startup_notification_id = g_strdup (desktop_startup_id ? desktop_startup_id : "");
+        startup_notification_id = g_strdup (desktop_startup_id);
     }
 
   /* Clear the environment variable so it won't be inherited by