Update HiFreq_ADC.ino

Author: me-no-dev

libraries/ESP32/examples/I2S/HiFreq_ADC/HiFreq_ADC.ino

@@ -52,8 +52,8 @@ void i2sInit(){
     .use_apll = false,
     .tx_desc_auto_clear = false,
     .fixed_mclk = 0,
-    .mclk_multiple = esp_i2s::I2S_MCLK_MULTIPLE_128,
-    .bits_per_chan = esp_i2s::I2S_BITS_PER_CHAN_DEFAULT
+    .mclk_multiple = I2S_MCLK_MULTIPLE_128,
+    .bits_per_chan = I2S_BITS_PER_CHAN_DEFAULT
   };
   Serial.printf("Attempting to setup I2S ADC with sampling frequency %d Hz\n", I2S_SAMPLE_RATE);
   if(ESP_OK != i2s_driver_install(I2S_NUM_0, &i2s_config, 0, NULL)){