Code change to avoid signed/unsigned mismatch warnings

core/fpdfapi/fpdf_page/fpdf_page_parser.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfapi/fpdf_page/pageint.h"
 
 #include <vector>
 
@@ skipping 1108 matching lines @@
 }
 
 void CPDF_StreamContentParser::Handle_SetColorPS_Fill() {
   if (m_Options.m_bTextOnly) {
     return;
   }
   CPDF_Object* pLastParam = GetObject(0);
   if (!pLastParam) {
     return;
   }
-  int nargs = m_ParamCount;
-  int nvalues = nargs;
-  if (pLastParam->IsName()) {
+  uint32_t nargs = m_ParamCount;
+  uint32_t nvalues = nargs;
+  if (pLastParam->IsName())
     nvalues--;
-  }
   FX_FLOAT* values = NULL;
   if (nvalues) {
     values = FX_Alloc(FX_FLOAT, nvalues);
-    for (int i = 0; i < nvalues; i++) {
+    for (uint32_t i = 0; i < nvalues; i++) {
       values[i] = GetNumber(nargs - i - 1);
     }
   }
   if (nvalues != nargs) {
     CPDF_Pattern* pPattern = FindPattern(GetString(0), FALSE);
     if (pPattern) {
       m_pCurStates->m_ColorState.SetFillPattern(pPattern, values, nvalues);
     }
   } else {
     m_pCurStates->m_ColorState.SetFillColor(NULL, values, nvalues);
@@ skipping 674 matching lines @@
         } else {
           PDF_ReplaceAbbr(pElement);
         }
       }
       break;
     }
     default:
       break;
   }
 }