Release 9a of www.ijg.org source code on 2014-01-19

http://www.ijg.org/files/jpegsrc.v9a.tar.gz
     md5:  3353992aecaee1805ef4109aadd433e7
    sha1:  d65ed6f88d318f7380a3a5f75d578744e732daca
  sha256:  3a753ea48d917945dd54a2d97de388aa06ca2eb1066cbfdc6652036349fe05a7
droppatch additions for release 9a from jpegclub.org

http://jpegclub.org/droppatch.v9a.tar.gz
   md5: f9f90aa6755851280a313bdfb15df0a1
  sha1: d4cb6644da88e0368d6c420a18ba4e71f26e0cf4
sha256: ac9b0a7e1e704f271af02387bdf7e7af24085cc6618032afe4529cd48ee20c54