Added d2d_draw_image_ex to documentation

Author: JohnDog3112

docs/api/api-c-d2d.md

@@ -197,6 +197,7 @@ void d2d_resettransform(struct d2d_draw_seq* ds);
 bool d2d_load_image(const char* url, long id);
 bool d2d_load_image_with_con(const char* url, long id, twr_ioconsole_t * con);
 void d2d_drawimage(struct d2d_draw_seq* ds, long id, double dx, double dy);
+void d2d_drawimage_ex(struct d2d_draw_seq* ds, long id, double sx, double sy, double sWidth, double sHeight, double dx, double dy, double dWidth, double dHeight);
 void d2d_getimagedata(struct d2d_draw_seq* ds, long id, double x, double y, double width, double height);
 unsigned long d2d_getimagedatasize(double width, double height);
 void d2d_imagedatatoc(struct d2d_draw_seq* ds, long id, void* buffer, unsigned long buffer_len);