comment netbsd symbols from 8.0

Author: asomers

src/unix/bsd/netbsdlike/netbsd/mod.rs

@@ -425,8 +425,9 @@ pub const _SC_SEM_NSEMS_MAX : ::c_int = 89;
 pub const _SC_CPUTIME : ::c_int = 90;
 pub const _SC_THREAD_CPUTIME : ::c_int = 91;
 pub const _SC_DELAYTIMER_MAX : ::c_int = 92;
-pub const _SC_SIGQUEUE_MAX : ::c_int = 93;
-pub const _SC_REALTIME_SIGNALS : ::c_int = 94;
+// These two variables will be supported in NetBSD 8.0
+// pub const _SC_SIGQUEUE_MAX : ::c_int = 93;
+// pub const _SC_REALTIME_SIGNALS : ::c_int = 94;
 pub const _SC_PHYS_PAGES : ::c_int = 121;
 pub const _SC_NPROCESSORS_CONF : ::c_int = 1001;
 pub const _SC_NPROCESSORS_ONLN : ::c_int = 1002;