Added Reduce pulseaudio latency to fix choppy/laggy audio on some games

data_from_portwine/scripts/runlib

@@ -321,6 +321,11 @@ start_portwine () {
         unset PROTON_BATTLEYE_RUNTIME PROTON_EAC_RUNTIME
     fi
 
+    if [[ "${PW_REDUCE_PULSE_LATENCY}" == 1 ]] ; then
+        export PULSE_LATENCY_MSEC=60
+    else
+        unset PULSE_LATENCY_MSEC
+    fi
 
     if [[ "${PW_USE_D3D_EXTRAS}" == 1 ]] ; then
         if [[ -z "`grep d3dx9 "${PORT_WINE_PATH}/data/prefixes/${PW_PREFIX_NAME}/winetricks.log"`" ]] ; then