update

cpaas-lite/src/main/java/io/nexilis/service/data/rooms/ApiRoomDatabase.kt

@@ -83,7 +83,7 @@ abstract class ApiRoomDatabase : RoomDatabase() {
             }
         }
 
-        val migration_1_to_2 = object : Migration(1, 2) {
+        private val migration_1_to_2 = object : Migration(1, 2) {
             override fun migrate(db: SupportSQLiteDatabase) {
                 db.execSQL("ALTER TABLE `Group` ADD COLUMN `be` TEXT NOT NULL")
             }