Add libharu 2.4.0

Version 2.4.0 is the name given by kitware to version 2.3.0 + 2 patches

Haru is a free, cross platform, open-sourced software library for generating
PDF. It supports the following features:

  1. Generating PDF files with lines, text, images.
  2. Outline, text annotation, link annotation.
  3. Compressing document with deflate-decode.
  4. Embedding PNG, Jpeg images.
  5. Embedding Type1 font and TrueType font.
  6. Creating encrypted PDF files.
  7. Using various character set (ISO8859-1~16, MSCP1250~8, KOI8-R).
  8. Supporting CJK fonts and encodings.

The project is looking for a maintainer.

(prlw1)