- 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/cl_main.c

@@ -1776,10 +1776,10 @@ CL_Snd_Restart
 Restart the sound subsystem
 =================
 */
-void CL_Snd_Restart(void)
+void CL_Snd_Shutdown(void)
 {
 	S_Shutdown();
-	S_Init();
+	cls.soundStarted = qfalse;
 }
 
 /*
@@ -1793,7 +1793,8 @@ handles will be invalid
 */
 void CL_Snd_Restart_f(void)
 {
-	CL_Snd_Restart();
+	CL_Snd_Shutdown();
+	// sound will be reinitialized by vid_restart
 	CL_Vid_Restart_f();
 }
 
@@ -3350,7 +3351,7 @@ void CL_Shutdown( char *finalmsg ) {
 
 	CL_Disconnect( qtrue );
 
-	S_Shutdown();
+	CL_Snd_Shutdown();
 	CL_ShutdownRef();
 	
 	CL_ShutdownUI();