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/getenforce.c b/selinux/getenforce.c
index e11e78e..a39ce6d 100644
--- a/selinux/getenforce.c
+++ b/selinux/getenforce.c
@@ -9,7 +9,7 @@
 #include "libbb.h"
 
 int getenforce_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int getenforce_main(int argc, char **argv)
+int getenforce_main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
 {
 	int rc;