Update to gpgme-1.5.2.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk@15003 af4574ff-66df-0310-9fd7-8a98e5e911e0
Update to postfix-2.11.3.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk@15004 af4574ff-66df-0310-9fd7-8a98e5e911e0
Update to MesaLib-10.3.4.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk@15005 af4574ff-66df-0310-9fd7-8a98e5e911e0