audio.4 update

[Jared Yanovich <jjy2+_(_at_)_pitt_(_dot_)_edu>]

sys/audioio.h contains:
    68  struct audio_info {
...
    82  };
    83  typedef struct audio_info audio_info_t;

Index: audio.4
===================================================================
RCS file: /cvs/src/share/man/man4/audio.4,v
retrieving revision 1.33
diff -u -r1.33 audio.4
--- audio.4	2003/07/09 13:26:20	1.33
+++ audio.4	2004/01/26 01:53:37
@@ -274,7 +274,7 @@
 #define AUMODE_PLAY	0x01
 #define AUMODE_RECORD	0x02
 #define AUMODE_PLAY_ALL 0x04	/* do not do real-time correction */
-};
+} audio_info_t;
 .Ed
 .Pp
 When setting the current state with