Don't call pf_src_tree_remove_state() on error in pf_insert_state(), it's also called in the function which calls pf_insert_state().
Don't call pf_src_tree_remove_state() on error in pf_insert_state(),
it's also called in the function which calls pf_insert_state().

Pointed out by Patrick Latifi, ok cedric@ dhartmei@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars