MqTab: Fix append_sibling()

Wow.

1 files changed, 3 insertions, 5 deletions

diff --git a/src/tab.c b/src/tab.c
index 4dac405..93aae37 100644
--- a/src/tab.c
+++ b/src/tab.c
@@ -78,12 +78,10 @@ append_sibling(MqTab *new_node, MqTab *prev_sibling)
 	new_node->first_child = new_node->last_child = NULL;
 	new_node->position = prev_sibling->position;  /* Will be updated */
 	new_node->tree_size = 0;  /* Will be updated */
-	if (parent->last_child) {
-		parent->last_child->next = new_node;
-	} else {
-		parent->first_child = new_node;
+	if (prev_sibling->next) {
+		prev_sibling->next->prev = new_node;
 	}
-	parent->last_child = new_node;
+	prev_sibling->next = new_node;
 	update_positions(new_node, 1);
 	update_tree_sizes(new_node, 1);
 }