Makes sure `willMoveToSuperview:` still calls super. Based on feedback https://github.com/dzenbot/DZNSegmentedControl/commit/c2a51ebf9182bdbcf163407e065b3837fa42867f#commitcomment-11338653
Makes sure `willMoveToSuperview:` still calls super. Based on feedback https://github.com/dzenbot/DZNSegmentedControl/commit/c2a51ebf9182bdbcf163407e065b3837fa42867f#commitcomment-11338653

smallmuou/DZNSegmentedControl,jonesgithub/DZNSegmentedControl,xhacker/DZNSegmentedControl,hjanuschka/DZNSegmentedControl,hjanuschka/DZNSegmentedControl,xhacker/DZNSegmentedControl,dzenbot/DZNSegmentedControl,hoanganh6491/DZNSegmentedControl,CQXfly/DZNSegmentedControl,smallmuou/DZNSegmentedControl,hjanuschka/DZNSegmentedControl,jonesgithub/DZNSegmentedControl,xhacker/DZNSegmentedControl,CQXfly/DZNSegmentedControl,jonesgithub/DZNSegmentedControl,hoanganh6491/DZNSegmentedControl,smallmuou/DZNSegmentedControl,bellchen/DZNSegmentedControl,sprylogics/DZNSegmentedControl,CQXfly/DZNSegmentedControl,hoanganh6491/DZNSegmentedControl