* The f77name of void returning functions is the empty string anyway.

* This is meant to be useful in callbacks.

* This change reduces the likely-hood of encountering compiler flag
  failures due to bad interactions of libtool and compilers later
  during the build phase.

* This was already fixed a long time ago, i.e. clientGroup is already
  setup to the minimal group.

* To the F77 and F2003 interface generators that is.

* The previous implementation would enter an infinite loop if a
  comment containing only whitespace occurred (e.g. /*   */).

* Always return the ID of the unpacked resource.