warning C4245 signed/unsigned mismatch

Turns out that mnVisiblePageCount is actually never read.

Change-Id: I6bded733bb551525a6143976ad4c4447a5a56773

sd/source/core/PageListWatcher.cxx

@@ -29,7 +29,6 @@ void ImpPageListWatcher::ImpRecreateSortedPageListOnDemand()
     maPageVectorStandard.clear();
     maPageVectorNotes.clear();
     mpHandoutPage = 0L;
-    mnVisiblePageCount = -1;
 
     // build up vectors again
     const sal_uInt32 nPageCount(ImpGetPageCount());
@@ -44,7 +43,6 @@ void ImpPageListWatcher::ImpRecreateSortedPageListOnDemand()
             case PK_STANDARD:
             {
                 maPageVectorStandard.push_back(pCandidate);
-                if (!pCandidate->IsExcluded()) mnVisiblePageCount++;
                 break;
             }
             case PK_NOTES:
@@ -69,7 +67,6 @@ ImpPageListWatcher::ImpPageListWatcher(const SdrModel& rModel)
     : mrModel(rModel)
     , mpHandoutPage(0L)
     , mbPageListValid(false)
-    , mnVisiblePageCount(0)
 {
 }
 

sd/source/core/PageListWatcher.hxx

@@ -43,7 +43,6 @@ protected:
     SdPage*                         mpHandoutPage;
 
     bool                        mbPageListValid;
-    sal_uInt32                      mnVisiblePageCount;
 
     void ImpRecreateSortedPageListOnDemand();
     virtual sal_uInt32 ImpGetPageCount() const = 0;