Add version to HookState to make it json-compatible with spec State

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

spec.go

@@ -392,6 +392,7 @@ func createLibcontainerConfig(cgroupName string, spec *specs.LinuxSpec, rspec *s
 	config.ProcessLabel = rspec.Linux.SelinuxProcessLabel
 	config.AppArmorProfile = rspec.Linux.ApparmorProfile
 	createHooks(rspec, config)
+	config.Version = specs.Version
 	return config, nil
 }