build.sh: Use generic distfiles.gentoo.org for MIRROR
authorW. Trevor King <wking@tremily.us>
Mon, 27 Jan 2014 05:34:13 +0000 (21:34 -0800)
committerW. Trevor King <wking@tremily.us>
Tue, 28 Jan 2014 18:49:35 +0000 (10:49 -0800)
commit05e6198b43a8e0b1914891919e7895196b90e382
treed0b102f3d92790e42ff2efbb329fadfdc13e0b9c
parentcc2c4276b2f54d283e373c39cd7552f6210fea86
build.sh: Use generic distfiles.gentoo.org for MIRROR

Instead of hardcoding mcs.anl.gov.  If you want to use a specific
mirror, you should override the MIRROR environment variable yourself.
build.sh