Bug#873504: Unrecognized hash for the GOG version

[Brice Terzaghi]

Hello,
I use game-data-packager on Ubuntu and have a similar issue: the GOG 
version of Doom 3 BFG doesn't seem to be supported. It looks like it 
breaks on the english.lang file with the following message:

ERROR:game_data_packager.build:could not find base/strings/english.lang:
   expected:
     size:   564165 bytes
     md5:    97edda4321c179507708695e9505471c
     sha1:   2c0448b7059c273aebcd1c772fd9661b783659c4
     sha256: 
532dd9637fb045937cdd9e2c1b5291934f454398922722070a7e36b074b137d9

The version I have from GOG would rather match this:
size: 563932 bytes
md5: 25f7c6aec9ddc60d05b8f5820c18cc71
sha1: 2327889c7c7f76605168aba76523c9faa064eb26
sha256: cea704aac22646863576e4deea3df48a02ee29d06bf416edd4d33ce486140b12

I'm not sure if there are other files that would cause issues but gdp 
crashes before checking them.