Changed: Delete SoundMngr to avoid memory leaks

--HG--
branch : develop

code/ryzom/client/src/init.cpp

@@ -1555,7 +1555,8 @@ void postlogInit()
 				{
 					nlwarning("init : Error when creating 'SoundMngr' : %s", e.what());
 					// leak the alocated sound manager...
-					SoundMngr = 0;
+					delete SoundMngr;
+					SoundMngr = NULL;
 				}
 
 				// Play Music just after the SoundMngr is inited

code/ryzom/client/src/main_loop_utilities.cpp

@@ -329,7 +329,8 @@ void updateFromClientCfg()
 			catch(const Exception &e)
 			{
 				nlwarning("init : Error when creating 'SoundMngr' : %s", e.what());
-				SoundMngr = 0;
+				delete SoundMngr;
+				SoundMngr = NULL;
 			}
 
 			// re-init with good SFX/Music Volume

code/ryzom/client/src/release.cpp

@@ -478,7 +478,7 @@ void releaseOutGame()
 	if(SoundMngr)
 	{
 		delete SoundMngr;
-		SoundMngr = 0;
+		SoundMngr = NULL;
 	}
 
 	// Delete the driver.
@@ -573,7 +573,7 @@ void release()
 	if(SoundMngr)
 	{
 		delete SoundMngr;
-		SoundMngr = 0;
+		SoundMngr = NULL;
 	}
 
 	// Release the Entities Animation Manager

code/ryzom/client/src/user_entity.cpp

@@ -2381,7 +2381,7 @@ void CUserEntity::updateSound(const TTime &time)
 	H_AUTO_USE ( RZ_Client_Update_Sound );
 
 	// no sound manager, no need to update sound
-	if (SoundMngr == 0)
+	if (SoundMngr == NULL)
 		return;
 
 	if (!(StereoHMD && true)) // TODO: ClientCfg.Headphone