Set channel map when using PulseAudio 1.0

(cherry picked from commit ca2cb5f01340252a85ad5bed877e84407f092b21)

modules/audio_output/pulse.c

@@ -640,6 +640,7 @@ static int Open(vlc_object_t *obj)
         formatv[formatc]->encoding = encoding;
         pa_format_info_set_rate(formatv[formatc], ss.rate);
         pa_format_info_set_channels(formatv[formatc], ss.channels);
+        pa_format_info_set_channel_map(formatv[formatc], &map);
         formatc++;
     }
 
@@ -649,6 +650,7 @@ static int Open(vlc_object_t *obj)
     pa_format_info_set_sample_format(formatv[formatc], ss.format);
     pa_format_info_set_rate(formatv[formatc], ss.rate);
     pa_format_info_set_channels(formatv[formatc], ss.channels);
+    pa_format_info_set_channel_map(formatv[formatc], &map);
     formatc++;
 
     /* Create a playback stream */