[sound] Clean up white space in snd_internal.h

include/snd_internal.h

@@ -106,16 +106,15 @@ struct snd_s {
 	int         submission_chunk;	//!< don't mix less than this #
 	unsigned    paintedtime;		//!< sound clock in samples
 	int         framepos;			//!< position of dma cursor
-	int         threaded;					//!< output runs in a thread
-	unsigned char	*buffer;				//!< destination for mixed sound
+	int         threaded;			//!< output+mixer run asynchronously
+	byte       *buffer;				//!< destination for mixed sound
 	/** Transfer mixed samples to the output.
 		\param paintbuffer The buffer of mixed samples to be transferred.
 		\param count	The number of sample to transfer.
 		\param volume	The gain for the samples.
 	*/
-	void            (*xfer) (struct snd_s *snd,
-							 portable_samplepair_t *paintbuffer, int count,
-							 float volume);
+	void      (*xfer) (struct snd_s *snd, portable_samplepair_t *paintbuffer,
+					   int count, float volume);
 	/** Optional data for the xfer function.
 	*/
 	void       *xfer_data;