internal/app: check transmitted ops

This simulates params to shim and this is the last step before params to shim is merged.

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

internal/app/spaccount.go

@@ -1,6 +1,7 @@
 package app
 
 import (
+	"encoding/gob"
 	"fmt"
 	"syscall"
 
@@ -8,6 +9,8 @@ import (
 	"hakurei.app/hst"
 )
 
+func init() { gob.Register(spAccountOp{}) }
+
 // spAccountOp sets up user account emulation inside the container.
 type spAccountOp struct{}