Do not delete given savefile in GameModel::SetSaveFile, behaviour should be similar to GameModel::SetSave in terms of managing memory in given pointer

src/game/GameController.cpp

@@ -717,6 +717,7 @@ void GameController::OpenLocalBrowse()
 		virtual void FileSelected(SaveFile* file)
 		{
 			c->LoadSaveFile(file);
+			delete file;
 		}
 	};
 	new FileBrowserActivity(LOCAL_SAVE_DIR PATH_SEP, new LocalSaveOpenCallback(this));

src/game/GameModel.cpp

@@ -398,7 +398,6 @@ void GameModel::SetSaveFile(SaveFile * newSave)
 		sim->clear_sim();
 		sim->Load(saveData);
 	}
-	delete newSave;
 	
 	notifySaveChanged();
 	UpdateQuickOptions();