[libadwaita/libadwaita-1-0] view-switcher-title: Fix a leak

[Alexander Mikhaylenko <alexm src gnome org>]

commit d722f9531551624fafd49315294e4d68ede69237
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Feb 14 15:01:10 2022 +0500

    view-switcher-title: Fix a leak
    
    
    (cherry picked from commit 38f351404eea58352bd11c79663bf56bcb0bd2bf)

 src/adw-view-switcher-title.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/adw-view-switcher-title.c b/src/adw-view-switcher-title.c
index 88df0517..d4334496 100644
--- a/src/adw-view-switcher-title.c
+++ b/src/adw-view-switcher-title.c
@@ -126,6 +126,8 @@ update_view_switcher_visible (AdwViewSwitcherTitle *self)
 
       if (adw_view_stack_page_get_visible (page))
         count++;
+
+      g_object_unref (page);
     }
   }