[PDF] Fix warnings on Windows.

Review URL: http://codereview.appspot.com/4426064

git-svn-id: http://skia.googlecode.com/svn/trunk@1202 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFImage.cpp b/src/pdf/SkPDFImage.cpp
index 66385b4..be69f7f 100644
--- a/src/pdf/SkPDFImage.cpp
+++ b/src/pdf/SkPDFImage.cpp
@@ -354,9 +354,11 @@
     if (config == SkBitmap::kRGB_565_Config) {
         SkRefPtr<SkPDFInt> zeroVal = new SkPDFInt(0);
         zeroVal->unref();  // SkRefPtr and new both took a reference.
-        SkRefPtr<SkPDFScalar> scale5Val = new SkPDFScalar(8.2258);  // 255/2^5-1
+        SkRefPtr<SkPDFScalar> scale5Val =
+                new SkPDFScalar(8.2258f);  // 255/2^5-1
         scale5Val->unref();  // SkRefPtr and new both took a reference.
-        SkRefPtr<SkPDFScalar> scale6Val = new SkPDFScalar(4.0476);  // 255/2^6-1
+        SkRefPtr<SkPDFScalar> scale6Val =
+                new SkPDFScalar(4.0476f);  // 255/2^6-1
         scale6Val->unref();  // SkRefPtr and new both took a reference.
         SkRefPtr<SkPDFArray> decodeValue = new SkPDFArray();
         decodeValue->unref();  // SkRefPtr and new both took a reference.