From 1dc25c021701f1f039b03bc711aed4845f930e13 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sun, 8 Jul 2012 12:37:19 -0400
Subject: Fix: make unparse virtual for Null and Real

---
 libqpdf/qpdf/QPDF_Null.hh | 2 +-
 libqpdf/qpdf/QPDF_Real.hh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libqpdf/qpdf/QPDF_Null.hh b/libqpdf/qpdf/QPDF_Null.hh
index 086a3228..dffe0260 100644
--- a/libqpdf/qpdf/QPDF_Null.hh
+++ b/libqpdf/qpdf/QPDF_Null.hh
@@ -7,7 +7,7 @@ class QPDF_Null: public QPDFObject
 {
   public:
     virtual ~QPDF_Null();
-    std::string unparse();
+    virtual std::string unparse();
 };
 
 #endif // __QPDF_NULL_HH__
diff --git a/libqpdf/qpdf/QPDF_Real.hh b/libqpdf/qpdf/QPDF_Real.hh
index 7c4f3ce3..2895cee5 100644
--- a/libqpdf/qpdf/QPDF_Real.hh
+++ b/libqpdf/qpdf/QPDF_Real.hh
@@ -9,7 +9,7 @@ class QPDF_Real: public QPDFObject
     QPDF_Real(std::string const& val);
     QPDF_Real(double value, int decimal_places = 0);
     virtual ~QPDF_Real();
-    std::string unparse();
+    virtual std::string unparse();
     std::string getVal();
 
   private:
-- 
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