rolling back the experimental rollbacks in r2178-2179

git-svn-id: http://skia.googlecode.com/svn/trunk@2180 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/strokes.cpp b/gm/strokes.cpp
index 862a517..d8b21b2 100644
--- a/gm/strokes.cpp
+++ b/gm/strokes.cpp
@@ -25,9 +25,11 @@
     SkScalar y = rand.nextUScalar1() * H;
     SkScalar w = rand.nextUScalar1() * (W >> 2);
     SkScalar h = rand.nextUScalar1() * (H >> 2);
+    SkScalar hoffset = rand.nextSScalar1();
+    SkScalar woffset = rand.nextSScalar1();
     
     r->set(x, y, x + w, y + h);
-    r->offset(-w/2 + rand.nextSScalar1(), -h/2 +  + rand.nextSScalar1());
+    r->offset(-w/2 + woffset, -h/2 + hoffset);
     
     paint->setColor(rand.nextU());
     paint->setAlpha(0xFF);