fixed to bezier function for any opened b-spline
fixed to bezier function for any opened b-spline

pellaeon/tinyspline-example,retuxx/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,pellaeon/tinyspline-example,msteinbeck/tinyspline,retuxx/tinyspline,arneboe/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,arneboe/tinyspline,retuxx/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline