xpath BUGFIX copy root_type to all sets
Fixes
@@ -744,6 +744,7 @@ set_init(struct lyxp_set *new, struct lyxp_set *set)
if (set) {
new->ctx = set->ctx;
new->ctx_node = set->ctx_node;
+ new->root_type = set->root_type;
new->local_mod = set->local_mod;
new->trees = set->trees;
new->format = set->format;
