Fix this sparse warnings:

  drivers/net/qlge/qlge_ethtool.c:100:6: warning: symbol 'ql_update_stats' was not declared. Should it be static?
  drivers/net/qlge/qlge_mpi.c:22:5: warning: symbol 'ql_get_mb_sts' was not declared. Should it be static?
Signed-off-by: NHannes Eder <hannes@hanneseder.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>