initctl: add 'kill' alias to 'signal' command
Principle of least surprise.  When no even the maintainer remembers
the correct command, it is time to add an alias.
@@ -1464,6 +1464,7 @@ int main(int argc, char *argv[])
{ "stop", NULL, do_stop, NULL, NULL },
{ "restart", NULL, do_restart, NULL, NULL },
{ "signal", NULL, NULL, NULL, do_signal },
+ { "kill", NULL, NULL, NULL, do_signal }, /* alias */
{ "cgroup", NULL, show_cgroup, &cgrp, NULL },
{ "ps", NULL, show_cgps, &cgrp, NULL },
