Dynamic routing pkg memory leak when using GW whitelist

drouting_gw_whitelist.patch

diff --git a/modules/drouting/drouting.c b/modules/drouting/drouting.c
index 7b0c3544b..a4e0d1ebe 100644
--- a/modules/drouting/drouting.c
+++ b/modules/drouting/drouting.c
@@ -3095,9 +3095,11 @@ no_gws:
                }
        }
 
+       if (wl_list) pkg_free(wl_list);
        if (ruri_buf) pkg_free(ruri_buf);
        return 1;
 error2:
+       if (wl_list) pkg_free(wl_list);
        /* we are done reading -> unref the data */
        lock_stop_read( current_partition->ref_lock );
 error1: