tdb: fix compiler warning

metze

diff --git a/lib/tdb/common/open.c b/lib/tdb/common/open.c
index d195c1c48409f7a6ed28a002ff9dea03a1a4429a..cbb14fa2849866866ba3d833da7478c28cf58b31 100644 (file)
--- a/lib/tdb/common/open.c
+++ b/lib/tdb/common/open.c
@@ -51,7 +51,7 @@ void tdb_header_hash(struct tdb_context *tdb,
        TDB_DATA hash_key;
        uint32_t tdb_magic = TDB_MAGIC;
 
-       hash_key.dptr = (unsigned char *)TDB_MAGIC_FOOD;
+       hash_key.dptr = discard_const_p(uint8_t, TDB_MAGIC_FOOD);
        hash_key.dsize = sizeof(TDB_MAGIC_FOOD);
        *magic1_hash = tdb->hash_fn(&hash_key);