move dependencies to vendor

vendor/github.com/opencontainers/runc/libcontainer/configs/mount.go

@@ -0,0 +1,34 @@
+package configs
+
+type Mount struct {
+	// Source path for the mount.
+	Source string `json:"source"`
+
+	// Destination path for the mount inside the container.
+	Destination string `json:"destination"`
+
+	// Device the mount is for.
+	Device string `json:"device"`
+
+	// Mount flags.
+	Flags int `json:"flags"`
+
+	// Mount data applied to the mount.
+	Data string `json:"data"`
+
+	// Relabel source if set, "z" indicates shared, "Z" indicates unshared.
+	Relabel string `json:"relabel"`
+
+	// Optional Command to be run before Source is mounted.
+	PremountCmds []Command `json:"premount_cmds"`
+
+	// Optional Command to be run after Source is mounted.
+	PostmountCmds []Command `json:"postmount_cmds"`
+}
+
+type Command struct {
+	Path string   `json:"path"`
+	Args []string `json:"args"`
+	Env  []string `json:"env"`
+	Dir  string   `json:"dir"`
+}