[evolution-data-server] vala: FolderThreadNode is a compact class

[Corentin Noël <corentinnoel src gnome org>]

commit b984624c8a5dee147ac7d94df491264db0a67f5f
Author: Corentin Noël <corentin noel collabora com>
Date:   Mon Aug 30 13:58:31 2021 +0200

    vala: FolderThreadNode is a compact class
    
    It is always passed by pointer.

 src/vala/Camel-1.2.metadata | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/vala/Camel-1.2.metadata b/src/vala/Camel-1.2.metadata
index 365bc1295..6937274fe 100644
--- a/src/vala/Camel-1.2.metadata
+++ b/src/vala/Camel-1.2.metadata
@@ -121,6 +121,7 @@ FolderThread.node_chunks unowned=false
 FolderThread.summary type="GLib.GenericArray<Camel.MessageInfo>"
 FolderThread.tree type="Camel.FolderThreadNode"
 
+FolderThreadNode struct=false
 FolderThreadNode.next type="unowned Camel.FolderThreadNode?"
 FolderThreadNode.parent type="unowned Camel.FolderThreadNode?"
 FolderThreadNode.child type="unowned Camel.FolderThreadNode?"