Add FreeBSD version to JailHost struct

cmd/struct.go

@@ -515,12 +515,20 @@ type SnapshotSort struct {
 	CreationDec   snapshotLessFunc
 }
 
+type FreeBSDVersion struct {
+	major      int
+	minor      int
+	flavor     string
+	patchLevel int
+}
+
 type JailHost struct {
 	hostname          string
 	hostid            string
 	default_gateway4  string
 	default_gateway6  string
 	default_interface string
+	version           FreeBSDVersion
 }
 
 type Datastore struct {