Some individual files are LGPL, some are public domain,
some are GPL 2-only and most are GPL 2-or-later. You can
pick parts according to the respective license (marked
in the files themselves), but this one (GNU GPL version 2)
is what applies to the work as a whole.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

This comes from git://gitorious.org/rubi/pp-printf.git

 .
This commit just copies it over, without enabling it for compilation.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>