daemon/logger/loggerutils: use defer to fix gocritic "badlock" linter

daemon/logger/loggerutils/logfile.go:374:2: badLock: defer is missing, mutex is unlocked immediately (gocritic)
        w.rotateMu.Unlock()
        ^

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

daemon/logger/loggerutils/logfile.go

@@ -371,7 +371,7 @@ func (w *LogFile) Close() error {
 	close(w.closed)
 	// Wait until any in-progress rotation is complete.
 	w.rotateMu.Lock()
-	w.rotateMu.Unlock() //nolint:staticcheck,gocritic
+	defer w.rotateMu.Unlock()
 	return nil
 }