mail/sympa: fix bugs in rc.d script
* Current sympa.rc not show the correct status, always active. grep
with pid string also process.
* The output of ps depends on the windows size. Sometime truncated
/usr/local/libexec/sympa/task_manager.pl -w for avoid it.
* Change ps options to BSD-sytle.
PR: 199145
Submitted by: Igor Zabelin <igorz@yandex.ru>
Approved by: geoffroy desvernay <dgeo@centrale-marseille.fr> (maintainer)