Some PHP 8.4 deprecration fixes regarding NULL assignment to cast values on class instantiation

app/Classes/LDAP/Attribute/Password/SSHA.php

@@ -12,7 +12,7 @@ final class SSHA extends Base
 		return $source === $this->encode($compare,$this->salted_salt($source));
 	}
 
-	public function encode(string $password,string $salt=NULL): string
+	public function encode(string $password,?string $salt=NULL): string
 	{
 		return sprintf('{%s}%s',self::key,$this->salted_hash($password,'sha1',self::salt,$salt));
 	}