libhb: fix fdk-aac mono encoding

A minimum output buffer size of 8KB is needed by libav


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5329 b64f7644-9d1e-0410-96f1-a4d463321fa5
added make pkg.create.tar

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5330 b64f7644-9d1e-0410-96f1-a4d463321fa5
reverted unintentional change

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5331 b64f7644-9d1e-0410-96f1-a4d463321fa5