Comment that end-of-list bug in Cerberus server was fixed in 7.0.10

Source commit: e5c69942649ac308512f4da0a6e468d7c5d70b27

source/core/SftpFileSystem.cpp

@@ -3455,6 +3455,7 @@ void __fastcall TSFTPFileSystem::ReadDirectory(TRemoteFileList * FileList)
 
         if ((FVersion >= 6) &&
             // As of 7.0.9 the Cerberus SFTP server always sets the end-of-list to true.
+            // Fixed in 7.0.10.
             (FSecureShell->SshImplementation != sshiCerberus) &&
             ListingPacket.CanGetBool())
         {