- Fix memory leak in DMA sound after S_Shutdown()

- Make codec load use temp hunk memory instead of zone mem
- Fix sound issues with direct sound and game_restart (#4526)

code/client/snd_codec_wav.c

@@ -218,7 +218,7 @@ void *S_WAV_CodecLoad(const char *filename, snd_info_t *info)
 	}
 
 	// Allocate some memory
-	buffer = Z_Malloc(info->size);
+	buffer = Hunk_AllocateTempMemory(info->size);
 	if(!buffer)
 	{
 		FS_FCloseFile(file);