out_file: add warn message for symlink_path setting#4502

daipom merged 2 commits intofluent:masterfluent/fluentd:masterfrom

Shingo-Nakayama:out_file-add-warn-message-for-symlink_path-settingShingo-Nakayama/fluentd:out_file-add-warn-message-for-symlink_path-settingCopy head branch name to clipboard