In m_split(), restore m_pkthdr.len to original length if we get an error.  From Koji Imada <koji@math.human.nagoya-u.ac.jp>
In m_split(), restore m_pkthdr.len to original length if we
get an error.  From Koji Imada <koji@math.human.nagoya-u.ac.jp>

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