Sorry for the likely-mangled gmail diff.

--david

diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index cd37a0d29a..ae4391373d 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -736,7 +736,7 @@
        struct sys_waitid_args /* {
                syscallarg(idtype_t) idtype;
                syscallarg(id_t) id;
-               syscallarg(siginfo_t) info;
+               syscallarg(siginfo_t *) info;
                syscallarg(int) options;
        } */ *uap = v;
        siginfo_t info;