Outliner::RemovingPagesHdl return type wants to be bool

Change-Id: I7d57d560f28683a840022cf766ef22cc50683349

editeng/source/outliner/outliner.cxx

@@ -1771,9 +1771,9 @@ void Outliner::DrawingTab( const Point& rStartPos, long nWidth, const OUString&
     }
 }
 
-long Outliner::RemovingPagesHdl( OutlinerView* pView )
+bool Outliner::RemovingPagesHdl( OutlinerView* pView )
 {
-    return aRemovingPagesHdl.IsSet() ? aRemovingPagesHdl.Call( pView ) : sal_True;
+    return !aRemovingPagesHdl.IsSet() || aRemovingPagesHdl.Call( pView );
 }
 
 bool Outliner::ImpCanDeleteSelectedPages( OutlinerView* pCurView, sal_Int32 _nFirstPage, sal_Int32 nPages )

include/editeng/outliner.hxx

@@ -777,7 +777,7 @@ public:
     sal_Int16       GetPrevDepth() const { return static_cast<sal_Int16>(nDepthChangedHdlPrevDepth); }
     ParaFlag        GetPrevFlags() const { return mnDepthChangeHdlPrevFlags; }
 
-    long            RemovingPagesHdl( OutlinerView* );
+    bool            RemovingPagesHdl( OutlinerView* );
     void            SetRemovingPagesHdl(const Link& rLink){aRemovingPagesHdl=rLink;}
     Link            GetRemovingPagesHdl() const { return aRemovingPagesHdl; }
     long            IndentingPagesHdl( OutlinerView* );