fix int->scalar warning

git-svn-id: http://skia.googlecode.com/svn/trunk@13305 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/DeferredCanvasTest.cpp b/tests/DeferredCanvasTest.cpp
index 75c20c1..0ab482b 100644
--- a/tests/DeferredCanvasTest.cpp
+++ b/tests/DeferredCanvasTest.cpp
@@ -44,7 +44,7 @@
 
     SkPaint paint;
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
-    surface->draw(&canvas, -x, -y, &paint);
+    surface->draw(&canvas, -SkIntToScalar(x), -SkIntToScalar(y), &paint);
     return pixel;
 }