drop last CONTAINER_APPEND use

Change-Id: Ia4500cfef039100cf12bc8e8a8946395e26b6890
Reviewed-on: https://gerrit.libreoffice.org/46700Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

include/tools/contnr.hxx

@@ -23,8 +23,6 @@
 
 #include <limits.h>
 
-#define CONTAINER_APPEND            (ULONG_MAX)
-
 #define TREELIST_APPEND             (ULONG_MAX)
 #define TREELIST_ENTRY_NOTFOUND     (ULONG_MAX)
 

svtools/source/contnr/ivctrl.cxx

@@ -96,7 +96,7 @@ SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::InsertEntry( const OUString& rText, c
 {
     SvxIconChoiceCtrlEntry* pEntry = new SvxIconChoiceCtrlEntry( rText, rImage);
 
-    _pImpl->InsertEntry( pEntry, CONTAINER_APPEND );
+    _pImpl->InsertEntry(pEntry, _pImpl->GetEntryCount());
 
     return pEntry;
 }