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/SamplePolyToPoly.cpp b/samplecode/SamplePolyToPoly.cpp
index 7f9f076..dbda4da 100644
--- a/samplecode/SamplePolyToPoly.cpp
+++ b/samplecode/SamplePolyToPoly.cpp
@@ -63,8 +63,9 @@
                     { SkIntToScalar(32), SkIntToScalar(17) }
                 };
 
-                SkMatrix m0, m1;
+                SkMatrix m0;
                 m0.setPolyToPoly(src, dst, 3);
+              //  SkMatrix m1;
               //  SkSetPoly3To3(&m1, src, dst);
               //  m0.dump();
               //  m1.dump();