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/load_policy.c b/selinux/load_policy.c
index f9aa49d..c5b0e7a 100644
--- a/selinux/load_policy.c
+++ b/selinux/load_policy.c
@@ -5,7 +5,7 @@
 #include "libbb.h"
 
 int load_policy_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int load_policy_main(int argc, char **argv)
+int load_policy_main(int argc, char **argv ATTRIBUTE_UNUSED)
 {
 	int rc;