Make sure that pLimitN is not `nil` before dereferencing the pointer.
Co-authored-by: Andreas Gerstmayr <agerstmayr@redhat.com>
Reviewed-on: https://gitea.com/xorm/xorm/pulls/1988
Co-authored-by: andreasgerstmayr <andreasgerstmayr@noreply.gitea.io>
Co-committed-by: andreasgerstmayr <andreasgerstmayr@noreply.gitea.io>