execute dac_controlset even w/o i2c (for gpio) - release

CHANGELOG

@@ -1,3 +1,6 @@
+2023-11-08
+ - execute dac_controlset even whne there is no i2s (for gpio)
+ 
 2023-11-07
  - led-vu gain + misc fixes
  - bump plugin version to 0.600

components/squeezelite/external/dac_external.c

@@ -61,7 +61,6 @@ static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config, bool
 	char *p;	
 	
 	i2c_addr = adac_init(config, i2c_port_num);
-	if (!i2c_addr) return true;
 	
 	ESP_LOGI(TAG, "DAC on I2C @%d", i2c_addr);