shape ops work in progress

git-svn-id: http://skia.googlecode.com/svn/trunk@7535 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/CurveIntersection.h b/experimental/Intersection/CurveIntersection.h
index 5f27456..34cd6fb 100644
--- a/experimental/Intersection/CurveIntersection.h
+++ b/experimental/Intersection/CurveIntersection.h
@@ -50,6 +50,7 @@
 bool intersect(const Cubic& cubic, Intersections& i); // return true if cubic self-intersects
 int intersect(const Cubic& cubic, const Quadratic& quad, Intersections& );
 int intersect(const Cubic& cubic, const _Line& line, Intersections& );
+int intersectRay(const Cubic& quad, const _Line& line, Intersections& i);
 bool intersect(const Quadratic& q1, const Quadratic& q2, Intersections& );
 int intersect(const Quadratic& quad, const _Line& line, Intersections& );
 // the following flavor uses the implicit form instead of convex hulls