Fix call to Matrix2D#translation

Author: thelonious

lib/CubicBezier2D.js

@@ -252,7 +252,7 @@ class CubicBezier2D {
     getAlignedBoundingBox() {
         return {
             bbox: this.getAlignedBezier().getBoundingBox(),
-            transform: new Matrix2D()
+            transform: Matrix2D
                 .translation(this.p1.x, this.p1.y)
                 .rotateFromVector(Vector2D.fromPoints(this.p1, this.p4))
         };