set minimum value for audio buffering to 0

Fixes an issue addressed on discord for games at 60fps

Make minimum value 4.1675ms instead

Make this actually have an effect

make it a whole number

it literally says int right in the title

rpcs3/Emu/system_config.h

@@ -213,7 +213,7 @@ struct cfg_root : cfg::node
 		cfg::_int<1, 128> startt{ this, "Start Threshold", 1 }; // TODO: used only by ALSA, should probably be removed once ALSA is upgraded
 		cfg::_int<0, 200> volume{ this, "Master Volume", 100 };
 		cfg::_bool enable_buffering{ this, "Enable Buffering", true };
-		cfg::_int <20, 250> desired_buffer_duration{ this, "Desired Audio Buffer Duration", 100 };
+		cfg::_int <4, 250> desired_buffer_duration{ this, "Desired Audio Buffer Duration", 100 };
 		cfg::_int<1, 1000> sampling_period_multiplier{ this, "Sampling Period Multiplier", 100 };
 		cfg::_bool enable_time_stretching{ this, "Enable Time Stretching", false };
 		cfg::_int<0, 100> time_stretching_threshold{ this, "Time Stretching Threshold", 75 };