Log Message:
Update to 1.3.8:

libisofs-1.3.8.tar.gz Sat Jun 28 2014
===============================================================================
* Bug fix: Prevent allocation of empty hash tables. Thanks Richard Nolde.
* Bug fix: Prevent allocation of empty directory children lists.
           Thanks Richard Nolde.
* Bug fix: The GUIDs of main GPT and backup GPT differed if more than one
           System Area was written into the ISO image.
* New API calls iso_image_report_el_torito() and iso_image_report_system_area()
* New API call iso_crc32_gpt()