bug fix : optoin -w and -c were required even if option -n was not precised.
bug fix : optoin -w and -c were required even if option -n was not precised.

git-svn-id: 965725af9a80976f1ab01c5d5342790b8ca6b5ac@6901 6bcd3966-0018-0410-8128-fd23d134de7e

centreon/centreon-plugins,Tpo76/centreon-plugins,bcournaud/centreon-plugins,maksimatveev/centreon-plugins,centreon/centreon-plugins,wilfriedcomte/centreon-plugins,Sims24/centreon-plugins,Tpo76/centreon-plugins,maksimatveev/centreon-plugins,nichols-356/centreon-plugins,golgoth31/centreon-plugins,Sims24/centreon-plugins,Shini31/centreon-plugins,s-duret/centreon-plugins,maksimatveev/centreon-plugins,nichols-356/centreon-plugins