pulse: bump default buffer_time to 50ms

20ms is really a bit to small to be the default.

Author: tomty89

src/plugins/pulse/ao_pulse.c

@@ -41,7 +41,7 @@
 #include <ao/ao.h>
 #include <ao/plugin.h>
 
-#define AO_PULSE_BUFFER_TIME 20000
+#define AO_PULSE_BUFFER_TIME 50000
 
 /* Unfortunately libao doesn't allow "const" for these structures... */
 static char * ao_pulse_options[] = {