container/std: rename seccomp types

Aliases will be kept until 0.4.

Signed-off-by: Ophestra <cat@gensokyo.uk>

container/syscall.go

@@ -58,7 +58,7 @@ const (
 // schedParam is equivalent to struct sched_param from include/linux/sched.h.
 type schedParam struct {
 	// sched_priority
-	priority std.ScmpInt
+	priority std.Int
 }
 
 // schedSetscheduler sets both the scheduling policy and parameters for the