[gnome-applets] window-picker: fix -Wunused-variable warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 35af3647f208adb8c627b98715472987adf60677
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Apr 3 22:01:59 2020 +0300

    window-picker: fix -Wunused-variable warning

 gnome-applets/window-picker/task-item.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnome-applets/window-picker/task-item.c b/gnome-applets/window-picker/task-item.c
index 489f238a0..6318aabd8 100644
--- a/gnome-applets/window-picker/task-item.c
+++ b/gnome-applets/window-picker/task-item.c
@@ -112,7 +112,7 @@ static void
 update_hints (TaskItem *item)
 {
     GtkWidget *toplevel;
-    GtkAllocation item_allocation, toplevel_allocation;
+    GtkAllocation item_allocation;
     WnckWindow *window;
     gint x, y, toplevel_x, toplevel_y;