Fix an infinite loop in CPDF_Parser::RebuildCrossRef().

core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp

Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp
index 1929db7e8fd10201e9fa3e1c5bf4c14144c3258a..fba41174331e5ded20d1b96c0d207b5813069652 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp
@@ -33,3 +33,8 @@ TEST_F(FPDFParserEmbeddertest, Bug_544880) {
 TEST_F(FPDFParserEmbeddertest, Feature_Linearized_Loading) {
   EXPECT_TRUE(OpenDocument("feature_linearized_loading.pdf", true));
 }
+
+TEST_F(FPDFParserEmbeddertest, Bug_325) {
+  EXPECT_FALSE(OpenDocument("bug_325_a.pdf"));
+  EXPECT_FALSE(OpenDocument("bug_325_b.pdf"));
+}