Adafruit IO fails on ESP8266 and ESP32

[OersHunorDetre]

I am trying to use Adafruit IO using ArduinoHttpClient. Fails to compile using the latest fw of ESP8266 (2.5.1) and ESP32 (1.0.2). After downgrade of the firmwares they do work.

[sandeepmistry]

Without further info, this is a duplicate of #58 with pull request #63 open to potentially resolve.