shape ops work in progress

git-svn-id: http://skia.googlecode.com/svn/trunk@7864 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/LineUtilities.cpp b/experimental/Intersection/LineUtilities.cpp
index 186fa9b..53319c4 100644
--- a/experimental/Intersection/LineUtilities.cpp
+++ b/experimental/Intersection/LineUtilities.cpp
@@ -59,8 +59,8 @@
 //    See: the January 2001 Algorithm on Area of Triangles
 //    return (float) ((P1.x - P0.x)*(P2.y - P0.y) - (P2.x - P0.x)*(P1.y - P0.y));
 double is_left(const _Line& line, const _Point& pt) {
-    _Point P0 = line[1] - line[0];
-    _Point P2 = pt - line[0];
+    _Vector P0 = line[1] - line[0];
+    _Vector P2 = pt - line[0];
     return P0.cross(P2);
 }