From 8567fc01054d96bbdb6e17bc1143e329df14ee7f Mon Sep 17 00:00:00 2001
From: tzugen <tzugen@riseup.net>
Date: Wed, 26 May 2021 23:22:13 +0200
Subject: [PATCH] Fix warning in FileLoggerTree.kt

---
 .../src/main/kotlin/org/moire/ultrasonic/log/FileLoggerTree.kt  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/log/FileLoggerTree.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/log/FileLoggerTree.kt
index c6b701e9..28be7d2a 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/log/FileLoggerTree.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/log/FileLoggerTree.kt
@@ -161,7 +161,7 @@ class FileLoggerTree : Timber.DebugTree() {
             }
         }
 
-        private fun getLogFileList(): Array<File> {
+        private fun getLogFileList(): Array<out File>? {
             val directory = FileUtil.getUltrasonicDirectory()
             return directory.listFiles { t -> t.name.matches(fileNameRegex) }
         }