hercules-390/hyperion — pull request #30 by bluecmd (2014-08-09 17:58:07+00:00)
Title: Revert warning fix and promote chunk to unsigned

fb3c2d12 caused a regression where Hercules would output:
HHC00600E SCE file X: error in function read(): Bad address

Promote chunk to size_t (unsigned) which will get rid of the
warnings and don't truncate the values