Fixed Windows compiler complaints

http://codereview.appspot.com/6392044



git-svn-id: http://skia.googlecode.com/svn/trunk@4511 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index 68c210d..d05b640 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -1119,7 +1119,7 @@
         gsState.updateDrawingState(entry->fState);
 
         SkAutoDataUnref copy(entry->fContent.copyToData());
-        data->write(copy.data(), copy.size());
+        data->write(copy->data(), copy->size());
         entry = entry->fNext.get();
     }
     gsState.drainStack();