Fix typo in names of IV and tag length defines

contrib/pg_tde/src/access/pg_tde_tdemap.c

@@ -389,7 +389,7 @@ pg_tde_sign_principal_key_info(TDESignedPrincipalKeyInfo *signed_key_info, const
 {
 	signed_key_info->data = principal_key->keyInfo;
 
-	if (!RAND_bytes(signed_key_info->sign_iv, MAP_ENTRY_EMPTY_IV_SIZE))
+	if (!RAND_bytes(signed_key_info->sign_iv, MAP_ENTRY_IV_SIZE))
 		ereport(ERROR,
 				errcode(ERRCODE_INTERNAL_ERROR),
 				errmsg("could not generate iv for key map: %s", ERR_error_string(ERR_get_error(), NULL)));
@@ -405,7 +405,7 @@ pg_tde_initialize_map_entry(TDEMapEntry *map_entry, const TDEPrincipalKey *princ
 	map_entry->flags = rel_key_data->type;
 	map_entry->enc_key = *rel_key_data;
 
-	if (!RAND_bytes(map_entry->entry_iv, MAP_ENTRY_EMPTY_IV_SIZE))
+	if (!RAND_bytes(map_entry->entry_iv, MAP_ENTRY_IV_SIZE))
 		ereport(ERROR,
 				errcode(ERRCODE_INTERNAL_ERROR),
 				errmsg("could not generate iv for key map: %s", ERR_error_string(ERR_get_error(), NULL)));

contrib/pg_tde/src/include/access/pg_tde_tdemap.h

@@ -38,8 +38,8 @@ typedef struct InternalKey
 	(((key)->type & TDE_KEY_TYPE_WAL_UNENCRYPTED) != 0 || \
 	((key)->type & TDE_KEY_TYPE_WAL_ENCRYPTED) != 0)
 
-#define MAP_ENTRY_EMPTY_IV_SIZE 16
-#define MAP_ENTRY_EMPTY_AEAD_TAG_SIZE 16
+#define MAP_ENTRY_IV_SIZE 16
+#define MAP_ENTRY_AEAD_TAG_SIZE 16
 
 typedef struct
 {
@@ -56,8 +56,8 @@ typedef struct TDEMapEntry
 	uint32		flags;
 	InternalKey enc_key;
 	/* IV and tag used when encrypting the key itself */
-	unsigned char entry_iv[MAP_ENTRY_EMPTY_IV_SIZE];
-	unsigned char aead_tag[MAP_ENTRY_EMPTY_AEAD_TAG_SIZE];
+	unsigned char entry_iv[MAP_ENTRY_IV_SIZE];
+	unsigned char aead_tag[MAP_ENTRY_AEAD_TAG_SIZE];
 } TDEMapEntry;
 
 typedef struct XLogRelKey