Relax some over-zealous constification that gave some lhash-based code no
choice but to have to cast away "const" qualifiers from their prototypes.
This does not remove constification restrictions from hash/compare
callbacks, but allows destructor commands to be run over a tables' elements
without bad casts.
diff --git a/crypto/ex_data.c b/crypto/ex_data.c
index 5b2e345..f68cf84 100644
--- a/crypto/ex_data.c
+++ b/crypto/ex_data.c
@@ -287,7 +287,7 @@
/* This callback is used in lh_doall to destroy all EX_CLASS_ITEM values from
* "ex_data" prior to the ex_data hash table being itself destroyed. Doesn't do
* any locking. */
-static void def_cleanup_cb(const void *a_void)
+static void def_cleanup_cb(void *a_void)
{
EX_CLASS_ITEM *item = (EX_CLASS_ITEM *)a_void;
sk_CRYPTO_EX_DATA_FUNCS_pop_free(item->meth, def_cleanup_util_cb);
