- 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/qcommon/qcommon.h

@@ -996,7 +996,7 @@ void CL_FlushMemory( void );
 void CL_StartHunkUsers( qboolean rendererOnly );
 // start all the client stuff using the hunk
 
-void CL_Snd_Restart(void);
+void CL_Snd_Shutdown(void);
 // Restart sound subsystem
 
 void Key_KeynameCompletion( void(*callback)(const char *s) );