Fix ESP8266 Compiler Warnings #358

Job	Run time
Build WipperSnapper ESP32-Sx (funhouse)	3m 50s
Build WipperSnapper ESP32-Sx (magtag)	3m 39s
Build WipperSnapper ESP32-Sx (metroesp32s2)	3m 18s
Build WipperSnapper ESP32-Sx (feather_esp32s2)	2m 52s
Build WipperSnapper ESP32-Sx (feather_esp32s2_tft)	3m 26s
Build WipperSnapper ESP32-Sx (feather_esp32s2_reverse_tft)	3m 29s
Build WipperSnapper ESP32-Sx (feather_esp32s3)	3m 36s
Build WipperSnapper ESP32-Sx (feather_esp32s3_4mbflash_2mbpsram)	3m 43s
Build WipperSnapper ESP32-Sx (feather_esp32s3_tft)	3m 21s
Build WipperSnapper ESP32-Sx (qtpy_esp32s3)	3m 20s
Build WipperSnapper ESP32-Sx (qtpy_esp32s2)	3m 7s
Build WipperSnapper ESP32-Sx (feather_esp32s3_reverse_tft)	3m 47s
Build WipperSnapper ESP32-Sx (qtpy_esp32s3_n4r2)	3m 18s
Build WipperSnapper ESP8266 (feather_esp8266)	2m 43s
Build WipperSnapper RP2040 (rpi_pico_w)	3m 24s
Build WipperSnapper ESP32, ESP32-C3 (feather_esp32)	2m 51s
Build WipperSnapper ESP32, ESP32-C3 (qtpy_esp32)	4m 56s
Build WipperSnapper ESP32, ESP32-C3 (feather_esp32_v2)	2m 45s
Build WipperSnapper ESP32, ESP32-C3 (qtpy_esp32c3)	2m 37s
Build WipperSnapper SAMD (pyportal_tinyusb)	4m 21s
Build WipperSnapper SAMD (metro_m4_airliftlite_tinyusb)	2m 53s
Build WipperSnapper SAMD (NO-TINYUSB) (mkrwifi1010)	2m 12s
Build WipperSnapper SAMD (NO-TINYUSB) (nano_33_iot)	2m 21s
clang_and_doxy	0s
	1h 15m 49s

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