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-rw-r--r--core/fpdftext/cpdf_linkextract_unittest.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/fpdftext/cpdf_linkextract_unittest.cpp b/core/fpdftext/cpdf_linkextract_unittest.cpp
index 30438e6c10..f4bd197dda 100644
--- a/core/fpdftext/cpdf_linkextract_unittest.cpp
+++ b/core/fpdftext/cpdf_linkextract_unittest.cpp
@@ -7,7 +7,7 @@
#include "testing/gtest/include/gtest/gtest.h"
// Class to help test functions in CPDF_LinkExtract class.
-class CPDF_TestLinkExtract : public CPDF_LinkExtract {
+class CPDF_TestLinkExtract final : public CPDF_LinkExtract {
public:
CPDF_TestLinkExtract() : CPDF_LinkExtract(nullptr) {}