0730e0ec93
* Include nvs_commit() on three methods In [Preferences.cpp](https://github.com/espressif/arduino-esp32/blob/master/libraries/Preferences/src/Preferences.cpp), the functions: ``` Preferences::clear() Preferences::remove() Preferences::end() ``` should be revised to include a call to `nvs_commit()` as required per [Non-volatile storage library](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/storage/nvs_flash.html) when using ``` nvs_erase_all() nvs_erase_key() nvs_close() ```