Update o mplayer-2014-12-19: add comment on how thw tarball is obtained and comment out unnecessary line.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk@15234 af4574ff-66df-0310-9fd7-8a98e5e911e0
Update to mplayer-2014-12-19: actually, commented out line is necessary.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk@15235 af4574ff-66df-0310-9fd7-8a98e5e911e0