Mac does not like empty projects.


git-svn-id: http://skia.googlecode.com/svn/trunk@2438 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index 254a624..e74b0bc 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -463,7 +463,7 @@
     } else if (gRec.fBackend == kPDF_Backend) {
         generate_pdf(gm, document);
 #if CAN_IMAGE_PDF
-        SkAutoDataUnref data(pdf.copyToData());
+        SkAutoDataUnref data(document.copyToData());
         SkMemoryStream stream(data.data(), data.size());
         SkPDFDocumentToBitmap(&stream, bitmap);
 #endif