table-item: Don't unshare a pivot_table upon adding to table_item.

I don't know a reason to do so.

diff --git a/src/output/table-item.c b/src/output/table-item.c
index b52bb8ce56655c287ea3967c915f4e55fb1e0477..4860c3450c11f69a1719d0738370db9556a146a0 100644 (file)
--- a/src/output/table-item.c
+++ b/src/output/table-item.c
@@ -43,7 +43,7 @@ table_item_create (struct pivot_table *pt)
   struct table_item *item = xmalloc (sizeof *item);
   *item = (struct table_item) {
     .output_item = OUTPUT_ITEM_INITIALIZER (&table_item_class),
-    .pt = pivot_table_unshare (pt),
+    .pt = pt,
   };
   return item;
 }