"Seeed nRF52 Boards" update to 1.1.3 causes compile error

[msfujino]

To avoid copying errors, please try the following steps

1. Install “Adafruit nRF52 1.4.0 by Adafruit”.
   See the following link for instructions
   “GitHub - adafruit/Adafruit_nRF52_Arduino: Adafruit code for the Nordic nRF52 BLE SoC on Arduino”

2. Unzip the attached ZIP file.
   adafruit_patch_to_add_Seeed_2.zip (992.5 KB)

3. Copy 3 folders and 2 files and overwrite them in the following directory.
   C:\Users\xxxxxxxx\AppData\Local\Arduino15\packages\adafruit\hardware\nrf52\1.4.0

This method does not require “Seeed nRF52 Boards 1.1.3”.