guard against styles based on themselves

which leads to stack exhaustion when queries,

make m_BasedOnStyle private and replace it with
a call to GetBasedOnStyle which checks that
the base style is not itself

Change-Id: I093546793755f8a3a6e8a3c23fb8565ad27b75da

1 files changed, 3 insertions, 2 deletions

diff --git a/lotuswordpro/source/filter/lwplayout.hxx b/lotuswordpro/source/filter/lwplayout.hxx
index a5e8c264e9d1..1ed947404133 100644
--- a/lotuswordpro/source/filter/lwplayout.hxx
+++ b/lotuswordpro/source/filter/lwplayout.hxx
@@ -321,6 +321,8 @@ public:
 
 protected:
     void Read() override;
+private:
+    LwpObjectID m_BasedOnStyle;
 protected:
     enum
     {
@@ -329,8 +331,7 @@ protected:
     };
 
     LwpObjectID m_Content;
-    LwpObjectID m_BasedOnStyle;
-
+    rtl::Reference<LwpObject> GetBasedOnStyle();
     LwpObjectID     m_TabPiece;
     LwpLayoutStyle* m_pStyleStuff;
     LwpLayoutMisc*  m_pMiscStuff;