Fix Regression: Incomplete file loading is seen for multi page pdf files.

core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp

Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 97e0d6f5e36a596a660772e5a988518f3bbb2acd..4249acdab0b0478371793cc5d3cf87a6d30ed104 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -1042,12 +1042,10 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE pos, FX_FILESIZE& prev, FX_BOOL
                 arrIndex.push_back(std::make_pair(pStartNumObj->GetInteger(), pCountObj->GetInteger()));
             }
         }
-        nSegs = arrIndex.size();
-        if (nSegs == 0) {
-            arrIndex.push_back(std::make_pair(0, size));
-            nSegs = 1;
-        }
+    } else {
+        arrIndex.push_back(std::make_pair(0, size));
     }
+    nSegs = arrIndex.size();

[jun_fang, 2014/09/18 18:00:22]

arrIndex may be empty here. If it's empty, we should add the default value (0,
size) into arrIndex. 

     pArray = pStream->GetDict()->GetArray(FX_BSTRC("W"));
     if (pArray == NULL) {
         pStream->Release();