Merge: Fix obvious compilation breakage on win32 in previous version.

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/814903002

Review URL: https://codereview.chromium.org/816743002

samples/pdfium_test.cc

diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc
index 3bdd4ee..51199ea 100644
--- a/samples/pdfium_test.cc
+++ b/samples/pdfium_test.cc
@@ -438,7 +438,7 @@
         break;
 
       case OUTPUT_EMF:
-        WriteEmf(page.c_str(), name, i);
+        WriteEmf(page, name.c_str(), i);
         break;
 #endif
       case OUTPUT_PPM: