Can not extract Huawei HG655b-B025 firmware

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Download .bin file from http://www.evilbox.ro/files/HG655b-B025.bin
2. Try extract-firmware on the downloaded bin file

What is the expected output? What do you see instead?

The firmware should be extracted, but several "Printf format ..." warning 
messages are listed and an error is shown:

Extracting 0 bytes of  header image at offset 0
ERROR: No supported file system found! Aborting...

What version of the product are you using? On what operating system?

Using firmware modification kit v0.99.

Please provide any additional information below.

Original issue reported on code.google.com by evf...@gmail.com on 30 Jan 2015 at 9:11