Do not load main cross refs for first page in linearized pdf.

core/fpdfapi/parser/cpdf_parser.cpp

Index: core/fpdfapi/parser/cpdf_parser.cpp
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index ed20cf73f4f43ce2dd9aa8d12c68486e109ea813..47a712f5931f28d0842a0d01c4287c927bac01ef 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -1559,7 +1559,7 @@ CPDF_Parser::Error CPDF_Parser::LoadLinearizedMainXRefTable() {
   m_pSyntax->GetNextChar(ch);
   while (PDFCharIsWhitespace(ch)) {
     ++dwCount;
-    if (m_pSyntax->m_FileLen >=
+    if (m_pSyntax->m_FileLen <=
         (FX_FILESIZE)(m_pSyntax->SavePos() + m_pSyntax->m_HeaderOffset)) {
       break;
     }