selinux/*: -Wunused-parameter fixes
runsv: make it NOMMU-capable

function                                             old     new   delta
startservice                                         291     313     +22
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 22/0)               Total: 22 bytes

diff --git a/selinux/sestatus.c b/selinux/sestatus.c
index cc17b17..43e31d4 100644
--- a/selinux/sestatus.c
+++ b/selinux/sestatus.c
@@ -159,7 +159,7 @@
 }
 
 int sestatus_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int sestatus_main(int argc, char **argv)
+int sestatus_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	unsigned opts;
 	const char *pol_path;