Fix bug of mal-structured dup group - When a user changes tween type of a tween, the structure of dup group may not satisfy the requirement of new type. - It causes unexpected behavior. - It is fixed by checking structure and remove mal-structured ones.

#ifndef _APP_H
#define _APP_H
typedef struct {
	mb_animated_menu_t *m;
}MyAppData;

extern void MyApp_InitContent(mbaf_t *app,int argc, char *argv[]);

void myselect_callback(mb_animated_menu_t *m, int select);
#endif