docs: improve kill/trap documentation text in seccomp_init(3)
docs: improve kill/trap documentation text in seccomp_init(3)

The current description is fairly light as to the runtime behavior when
the filters fail.  Expand more to make it clear what happens between the
two modes.

Signed-off-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@gentoo.org>
[PM: tweaked subject line, changed 'BRm' macro to 'BR']
Signed-off-by: Paul Moore <88a1d58bf22a647dce58dd91f9595600dceabba9@redhat.com>

seccomp/libseccomp,seccomp/libseccomp,seccomp/libseccomp