psppire-window: Fix use-after-free error in read_spv_file().

[pspp] / src / output / spv / spv.h

diff --git a/src/output/spv/spv.h b/src/output/spv/spv.h
index 21d19a6615b9d6b8dbd93eb470a4b1a228dac540..6857d9b3b67f7e0d01dd699a2c6de6893b0c1798 100644 (file)
--- a/src/output/spv/spv.h
+++ b/src/output/spv/spv.h
@@ -157,7 +157,7 @@ size_t spv_item_get_n_children (const struct spv_item *);
 struct spv_item *spv_item_get_child (const struct spv_item *, size_t idx);
 
 bool spv_item_is_table (const struct spv_item *);
-struct pivot_table *spv_item_get_table (const struct spv_item *);
+const struct pivot_table *spv_item_get_table (const struct spv_item *);
 
 bool spv_item_is_text (const struct spv_item *);
 const struct pivot_value *spv_item_get_text (const struct spv_item *);