Bugfix: Signatures for likes hadn't been stored

boot.php

@@ -42,7 +42,7 @@ define ( 'FRIENDICA_PLATFORM',     'Friendica');
 define ( 'FRIENDICA_CODENAME',     'Asparagus');
 define ( 'FRIENDICA_VERSION',      '3.5.3-dev' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1232      );
+define ( 'DB_UPDATE_VERSION',      1233      );
 
 /**
  * @brief Constant with a HTML line break.

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 3.5.3-dev (Asparagus)
--- DB_UPDATE_VERSION 1231
+-- DB_UPDATE_VERSION 1233
 -- ------------------------------------------
 
 
@@ -944,7 +944,7 @@ CREATE TABLE IF NOT EXISTS `sign` (
 	`signature` text,
 	`signer` varchar(255) NOT NULL DEFAULT '',
 	 PRIMARY KEY(`id`),
-	 INDEX `iid` (`iid`)
+	 UNIQUE INDEX `iid` (`iid`)
 ) DEFAULT COLLATE utf8mb4_general_ci;
 
 --

include/dbstructure.php

@@ -1572,7 +1572,7 @@ function db_definition() {
 					),
 			"indexes" => array(
 					"PRIMARY" => array("id"),
-					"iid" => array("iid"),
+					"iid" => array("UNIQUE", "iid"),
 					)
 			);
 	$database["spam"] = array(

include/diaspora.php

@@ -3729,7 +3729,7 @@ class Diaspora {
 		 * This will break Diaspora compatibility with Friendica versions prior to 3.5.
 		 */
 		q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')",
-			intval($message_id),
+			intval($post_id),
 			dbesc(json_encode($message))
 		);
 

update.php

@@ -1,6 +1,6 @@
 <?php
 
-define('UPDATE_VERSION' , 1232);
+define('UPDATE_VERSION' , 1233);
 
 /**
  *