x11: Fix shadows

Commit a2cd21cab663a003 changed a condition and inadvertedly
broke client-side shadows on X11. Change this back.

Fixes: #3896

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index abc6aa1582bab30b58654beeb8d13fd0e5e7c8f6..a21e7205c86d06d56ee09c5cb2363afa9d3021f2 100644 (file)
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -4005,7 +4005,7 @@ get_shadow_width (GtkWindow *window,
   if (!priv->decorated)
     goto out;
 
-  if (!priv->client_decorated ||
+  if (!priv->client_decorated &&
       !(gtk_window_should_use_csd (window) &&
         gtk_window_supports_client_shadow (window)))
     goto out;