Variable changes in PDF, Tiger and Whirlpool formats, to avoid function name
clashes that seem to be the result of now defining _DARWIN_C_SOURCE.

Do not use "crypt" as a function- or variable name!
Merge branch 'bleeding-jumbo' into memdbg

* bleeding-jumbo:
  Variable changes in PDF, Tiger and Whirlpool formats, to avoid function name clashes that seem to be the result of now defining _DARWIN_C_SOURCE.