Pivot Table: Fix compiler warning.

Revert part of commit 9bd8bde378997bf189e6aceffe3da5d321d0a837 .
This was ill construed, because the footnote is owned by the pivot table.

diff --git a/src/output/pivot-table.h b/src/output/pivot-table.h
index 44fa757bc63f7dda8daa9064ddc231971ebd8878..aa064953fedb25aa97a4e1016227b421854c064d 100644 (file)
--- a/src/output/pivot-table.h
+++ b/src/output/pivot-table.h
@@ -419,7 +419,7 @@ struct pivot_table
     time_t date;                /* May be 0 if unknown. */
 
     /* Footnotes. */
-    const struct pivot_footnote **footnotes;
+    struct pivot_footnote **footnotes;
     size_t n_footnotes, allocated_footnotes;
 
     /* Titles. */