Rename finit command line option finit.show_status -> finit.status

Usability.

Remains backwards compatible for now, but finit.show_status is as of 4.3
deprecated.  Likely to be removed int 5.0

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

man/finit.8

@@ -11,8 +11,9 @@
 .Nd Fast init for Linux systems
 .Sh SYNOPSIS
 .Nm /sbin/finit
-.Op finit.status_style=classic
-.Op finit.show_status=[on,off]
+.Op --
+.Op finit.status=[on,off]
+.Op finit.status_style=[classic,modern]
 .Op finit.debug
 .Op rescue | recover
 .Op single | S