[geary/mjog/fix-build-warnings] client: Fix build warning

[Michael Gratton <mjog src gnome org>]

commit 39aa9bd2222696fcb23ca8afcb3d5548858413ef
Author: Michael Gratton <mike vee net>
Date:   Tue Apr 6 12:30:09 2021 +1000

    client: Fix build warning

 src/client/conversation-viewer/conversation-contact-popover.vala | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/client/conversation-viewer/conversation-contact-popover.vala 
b/src/client/conversation-viewer/conversation-contact-popover.vala
index 1ec220f1a..4bc492f1d 100644
--- a/src/client/conversation-viewer/conversation-contact-popover.vala
+++ b/src/client/conversation-viewer/conversation-contact-popover.vala
@@ -43,8 +43,7 @@ public class Conversation.ContactPopover : Gtk.Popover {
 
     [GtkChild] private unowned Gtk.Grid contact_pane;
 
-    [GtkChild]
-    private Hdy.Avatar avatar;
+    [GtkChild] private unowned Hdy.Avatar avatar;
 
     [GtkChild] private unowned Gtk.Label contact_name;