Fix some warnings on VS2010 
Review URL: http://codereview.appspot.com/5312051/



git-svn-id: http://skia.googlecode.com/svn/trunk@2520 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleAAClip.cpp b/samplecode/SampleAAClip.cpp
index 93a77cb..f2a025d 100644
--- a/samplecode/SampleAAClip.cpp
+++ b/samplecode/SampleAAClip.cpp
@@ -23,7 +23,10 @@
     bm.setPixels(mask.fImage);
 
     SkPaint paint;
-    canvas->drawBitmap(bm, mask.fBounds.fLeft, mask.fBounds.fTop, &paint);
+    canvas->drawBitmap(bm,
+                       SK_Scalar1 * mask.fBounds.fLeft,
+                       SK_Scalar1 * mask.fBounds.fTop,
+                       &paint);
 }
 
 class AAClipView : public SampleView {