Fixed command line parting when no output is needed.

samples/pdfium_test.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <list>
@@ skipping 180 matching lines @@
   int cur_arg = 1;
   if (cur_arg < argc) {
     if (strcmp(argv[cur_arg], "--ppm") == 0)
       *output_format = OUTPUT_PPM;
 #ifdef _WIN32
     if (strcmp(argv[cur_arg], "--emf") == 0)
       *output_format = OUTPUT_EMF;
     if (strcmp(argv[cur_arg], "--bmp") == 0)
       *output_format = OUTPUT_BMP;
 #endif
-    cur_arg++;
+    if (*output_format != OUTPUT_NONE)
+      cur_arg++;
   }
 
   if (cur_arg >= argc)
     return false;
 
   for (int i = cur_arg; i < argc; i++)
     files->push_back(argv[i]);
 
   return true;
 }
@@ skipping 180 matching lines @@
     } else {
       RenderPdf(filename, pBuf, len, format);
     }
     free(pBuf);
   }
 
   FPDF_DestroyLibrary();
 
   return 0;
 }