Fixed some fixed point build Windows compiler complaints

http://codereview.appspot.com/6197063/



git-svn-id: http://skia.googlecode.com/svn/trunk@3867 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleSlides.cpp b/samplecode/SampleSlides.cpp
index 5251036..49a4ee5 100644
--- a/samplecode/SampleSlides.cpp
+++ b/samplecode/SampleSlides.cpp
@@ -75,7 +75,7 @@
         path.lineTo(SkIntToScalar(gXY[i]), SkIntToScalar(gXY[i+1]));
     path.close();
     path.offset(SkIntToScalar(-6), 0);
-    scale(&path, 1.5);
+    scale(&path, SkFloatToScalar(1.5f));
     
     paint->setPathEffect(new SkPath1DPathEffect(path, SkIntToScalar(21), 0,
                                 SkPath1DPathEffect::kRotate_Style))->unref();