sw: fix listener registration of sw::UnoCursorPointer

Listening at one SwUnoCursor at a time is enough; this triggers
asserts added in 1925a57dee73933ffbdb3b57349b757470a8218a from
SwNavigationMgr.

Change-Id: I791355533214daeb1779cd7d1a6aac7faa1a1472

1 files changed, 5 insertions, 1 deletions

diff --git a/sw/inc/unocrsr.hxx b/sw/inc/unocrsr.hxx
index 04d711b555d5..038aff7110c0 100644
--- a/sw/inc/unocrsr.hxx
+++ b/sw/inc/unocrsr.hxx
@@ -143,6 +143,10 @@ namespace sw
                 { return *get(); }
             UnoCursorPointer& operator=(UnoCursorPointer aOther)
             {
+                if (m_pCursor)
+                {
+                    EndListening(m_pCursor->m_aNotifier);
+                }
                 if(aOther.m_pCursor)
                     StartListening(aOther.m_pCursor->m_aNotifier);
                 m_pCursor = aOther.m_pCursor;
@@ -154,7 +158,7 @@ namespace sw
             {
                 if(pNew)
                     StartListening(pNew->m_aNotifier);
-                else if(m_pCursor)
+                if (m_pCursor)
                     EndListening(m_pCursor->m_aNotifier);
                 m_pCursor = pNew;
             }