Fix old boost build for good

With the previous approach the code could lead to crashes in
the flowfrm.cxx

Change-Id: I3b56ed46db9d37a606a1cd793a20b8aff22db6e2
Reviewed-on: https://gerrit.libreoffice.org/78003
Reviewed-by: Tomáš Chvátal <tchvatal@suse.com>
Tested-by: Tomáš Chvátal <tchvatal@suse.com>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/sw/source/core/inc/frame.hxx b/sw/source/core/inc/frame.hxx
index a966947ca94c..5cae3ccabdc9 100644
--- a/sw/source/core/inc/frame.hxx
+++ b/sw/source/core/inc/frame.hxx
@@ -1245,11 +1245,15 @@ public:
             m_pForbidFrame->ForbidDelete();
     }
 
+    SwFrameDeleteGuard(const SwFrameDeleteGuard&) =delete;
+
     ~SwFrameDeleteGuard()
     {
         if (m_pForbidFrame)
             m_pForbidFrame->AllowDelete();
     }
+
+    SwFrameDeleteGuard& operator=(const SwFrameDeleteGuard&) =delete;
 };
 
 typedef long (SwFrame:: *SwFrameGet)() const;