mail_hash_update() updated wrong index.

--HG--
branch : HEAD

diff --git a/src/lib-storage/index/index-thread-links.c b/src/lib-storage/index/index-thread-links.c
index 23bd9a91f2451ee24f606841a922c83b21e25aeb..239a265fae354a98dcc07e37627d3ee894de78b0 100644 (file)
--- a/src/lib-storage/index/index-thread-links.c
+++ b/src/lib-storage/index/index-thread-links.c
@@ -101,7 +101,7 @@ static void thread_link_reference(struct mail_thread_update_context *ctx,
        child = mail_hash_lookup_idx(ctx->hash_trans, child_idx);
 
        child->link_refcount++;
-       mail_hash_update(ctx->hash_trans, parent_idx);
+       mail_hash_update(ctx->hash_trans, child_idx);
 
        if (thread_node_has_ancestor(ctx, parent, child)) {
                if (parent == child) {