[gnome-todo] list-store: Don't abort when removing items

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit de23c90cfbaed149628cc3be12492794b7133aa2
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sat Jul 20 18:59:42 2019 -0300

    list-store: Don't abort when removing items
    
    When the items being removed is not present in the
    model, don't fail and abort.

 src/models/gtd-list-store.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/models/gtd-list-store.c b/src/models/gtd-list-store.c
index fbad702..bd30bcc 100644
--- a/src/models/gtd-list-store.c
+++ b/src/models/gtd-list-store.c
@@ -409,6 +409,9 @@ gtd_list_store_remove (GtdListStore *store,
   g_return_if_fail (GTD_IS_LIST_STORE (store));
 
   it = g_hash_table_lookup (store->item_to_iter, item);
+  if (!it)
+    return;
+
   g_return_if_fail (!g_sequence_iter_is_end (it));
 
   position = g_sequence_iter_get_position (it);