FastLed bug : fix version

Author: Geoffroy Arenou

platformio.ini

@@ -44,9 +44,10 @@ monitor_filters =
 monitor_echo = yes
 monitor_eol = LF
 lib_deps = 
+; on utilise la version 3.9.16 de FastLED car la 3.9.17 est bugguée: error: 'LookaheadMode' has not been declared
 	waspinator/AccelStepper@^1.64
 	;adafruit/Adafruit NeoPixel@^1.12.3
-	fastled/FastLED@^3.9.16
+	fastled/FastLED@3.9.16
 	robotis-git/Dynamixel2Arduino@^0.8.0
 	adafruit/Adafruit SSD1306@^2.5.16