CID#705767 memory leak

Change-Id: I73aa4dd524f9d0d9afbf254fc095da93400b2a54

sw/source/ui/utlui/glbltree.cxx

@@ -851,6 +851,7 @@ void    SwGlobalTree::ExcecuteContextMenuAction( sal_uInt16 nSelectedPopupEntry
                 pSelEntry = PrevSelected(pSelEntry);
                 if(pSelEntry)
                 {
+                    delete pTempContents;
                     pTempContents = new SwGlblDocContents;
                     pActiveShell->GetGlobalDocContent(*pTempContents);
                 }