Update platformio.ini

Author: awawa-dev

platformio.ini

@@ -244,7 +244,7 @@ lib_deps =
   ${env.lib_deps}
 # additional build flags for audioreactive
 AR_build_flags = -D USERMOD_AUDIOREACTIVE -D UM_AUDIOREACTIVE_USE_NEW_FFT
-AR_lib_deps = https://github.com/kosme/arduinoFFT#develop @ ^1.9.2
+AR_lib_deps = https://github.com/kosme/arduinoFFT#419d7b04 @ ^1.9.2
 
 [esp32_idf_V4]
 ;; experimental build environment for ESP32 using ESP-IDF 4.4.x / arduino-esp32 v2.0.5