first support at shape ops support for quads

git-svn-id: http://skia.googlecode.com/svn/trunk@3520 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/Intersections.h b/experimental/Intersection/Intersections.h
index 928926e..47c413a 100644
--- a/experimental/Intersection/Intersections.h
+++ b/experimental/Intersection/Intersections.h
@@ -1,3 +1,6 @@
+#ifndef Intersections_DEFINE
+#define Intersections_DEFINE
+
 class Intersections {
 public:
     Intersections()
@@ -43,7 +46,10 @@
     }
 
     double fT[2][9];
-private:
     int fUsed;
+private:
     int fSwap;
 };
+
+#endif
+