Fix intendation

src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/StickerFileManager.kt

@@ -68,6 +68,7 @@ class StickerFileManager(message: JsonObject, file_base: String) : DocumentFileM
                 ?: stickerSet.get("id").nullString
                 ?: stickerSet.get("_constructor").nullString
                 ?: error("could not get a good name from: ${sticker["stickerset"]}")
+
 			val hash = sticker["alt"].string.hashCode()
 			return "${set}_${hash}"
 		}