tested and the code does improve sdl sound

changelog.txt

@@ -1,4 +1,5 @@
 ---version 2.0.4 yet to be released---
+10-nov-2008 - punkrockguy - improved the sdl sound code; drasticaly improves quality of sound.
 09-nov-2008 - adelikat - minor memory watch menu clean up, removed Ctrl+W hotkey for close (and placed Alt+F4 on the menu name)
 08-nov-2008 - zeromus - big endian wasnt compiling. fix issues.
 02-nov-2008 - shinydoofy - added --fcmconvert for SDL

src/drivers/sdl/sdl-sound.cpp

@@ -52,8 +52,11 @@ fillaudio(void *udata,
 	// debug code
 	//printf("s_BufferIn: %i s_BufferWrite = %i s_BufferRead = %i s_BufferSize = %i\n",
 	// s_BufferIn, s_BufferWrite, s_BufferRead, s_BufferSize);
+	
+	// ensure that we're not writing garbage data to the soundcard
 	if(s_BufferWrite > s_BufferRead)
 		s_BufferWrite = s_BufferRead; 
+		
     while(len) {
         int16 sample = 0;
         if(s_BufferIn) {