Fix build break from 1851.

In fixed point, kMPersp2 is a magic number, not SK_Scalar1.


git-svn-id: http://skia.googlecode.com/svn/trunk@1852 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/MatrixTest.cpp b/tests/MatrixTest.cpp
index 5eada0e..8632e8d 100644
--- a/tests/MatrixTest.cpp
+++ b/tests/MatrixTest.cpp
@@ -118,15 +118,13 @@
         }
     }
 
+    mat.reset();
     mat.set(SkMatrix::kMScaleX, SkIntToScalar(1));
     mat.set(SkMatrix::kMSkewX,  SkIntToScalar(2));
     mat.set(SkMatrix::kMTransX, SkIntToScalar(3));
     mat.set(SkMatrix::kMSkewY,  SkIntToScalar(4));
     mat.set(SkMatrix::kMScaleY, SkIntToScalar(5));
     mat.set(SkMatrix::kMTransY, SkIntToScalar(6));
-    mat.set(SkMatrix::kMPersp0, SkIntToScalar(0));
-    mat.set(SkMatrix::kMPersp1, SkIntToScalar(0));
-    mat.set(SkMatrix::kMPersp2, SkIntToScalar(1));
     SkScalar affine[6];
     REPORTER_ASSERT(reporter, mat.asAffine(affine));