Fix generation of random two point gradients for program unit test.



git-svn-id: http://skia.googlecode.com/svn/trunk@6751 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkTwoPointRadialGradient.cpp b/src/effects/gradients/SkTwoPointRadialGradient.cpp
index 3f75d0f..71b3126 100644
--- a/src/effects/gradients/SkTwoPointRadialGradient.cpp
+++ b/src/effects/gradients/SkTwoPointRadialGradient.cpp
@@ -462,7 +462,7 @@
     SkPoint center2;
     SkScalar radius2;
     do {
-        center1.set(random->nextUScalar1(), random->nextUScalar1());
+        center2.set(random->nextUScalar1(), random->nextUScalar1());
         radius2 = random->nextUScalar1 ();
         // There is a bug in two point radial gradients with idenitical radii
     } while (radius1 == radius2);