Some fixes:

- varbinary() is not needed when clear-text words like 'xmpp' are used for them,
  it also hinders using external tools like Adminer/phpMyAdmin to search for
  them as e.g. Adminer wraps a HEX() call (SQL) around `k` and `cat` (see table
  `pconfig`)
- added missing UPDATE::SUCCESS

Signed-off-by: Roland Häder <roland@mxchange.org>

update.php

@@ -747,4 +747,5 @@ function pre_update_1365()
 		return Update::FAILED;
 	}
 
+	return UPDATE::SUCCESS;
 }