psppire-spread-sheetmodel.c: modified userdata increment using GPOINTER_TO_INT

diff --git a/src/ui/gui/psppire-spreadsheet-model.c b/src/ui/gui/psppire-spreadsheet-model.c
index e0173c6adde38884cfd954820c51dac710025218..d946197262fe4ac7c01db4db4473e2ca68dec57f 100644 (file)
--- a/src/ui/gui/psppire-spreadsheet-model.c
+++ b/src/ui/gui/psppire-spreadsheet-model.c
@@ -201,7 +201,7 @@ tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
       return FALSE;
     }
 
-  iter->user_data = (void *) ((intptr_t)(iter->user_data) + 1);
+  iter->user_data = GINT_TO_POINTER (GPOINTER_TO_INT (iter->user_data) + 1);
 
   return TRUE;
 }