i118560 - slide sorter: pass PageSelector object by reference

 * found as LGPLv3-only fix at svn rev 1196092 (http://svn.apache.org/viewvc?view=revision&revision=1196092)

sd/source/ui/slidesorter/controller/SlsSlotManager.cxx

@@ -1156,8 +1156,8 @@ void SlotManager::DuplicateSelectedSlides (SfxRequest& rRequest)
         aPagesToSelect.end(),
         ::boost::bind(
             static_cast<void (PageSelector::*)(const SdPage*)>(&PageSelector::SelectPage),
-        rSelector,
-        _1));
+            ::boost::ref(rSelector),
+            _1));
 }
 
 IMPL_LINK(SlotManager, UserEventCallback, void*, EMPTYARG)

sd/source/ui/slidesorter/inc/controller/SlsPageSelector.hxx

@@ -34,6 +34,8 @@
 #include <com/sun/star/drawing/XDrawPage.hpp>
 #include <vector>
 #include <memory>
+#include <boost/noncopyable.hpp>
+
 
 class SdPage;
 
@@ -63,7 +65,7 @@ class SlideSorterController;
     Indices of pages relate allways to the number of all pages in the model
     (as returned by GetPageCount()) not just the selected pages.
 */
-class PageSelector
+class PageSelector : private ::boost::noncopyable
 {
 public:
     PageSelector (SlideSorter& rSlideSorter);