sort: Add support for combining cases with identical sort criteria.

[pspp] / src / data / datasheet.h

diff --git a/src/data/datasheet.h b/src/data/datasheet.h
index ab6c28d80af56697d18151ac7884106487b7ebfb..425f95474762d756c98125f6293fbaf7a34293db 100644 (file)
--- a/src/data/datasheet.h
+++ b/src/data/datasheet.h
@@ -51,8 +51,8 @@ void datasheet_move_columns (struct datasheet *,
                              size_t cnt);
 bool datasheet_resize_column (struct datasheet *, size_t column, int new_width,
                               void (*resize_cb) (const union value *,
-                                                 union value *, void *aux),
-                              void *aux);
+                                                 union value *, const void *aux),
+                              const void *aux);
 
 /* Rows. */
 casenumber datasheet_get_n_rows (const struct datasheet *);