please merge www/speedtest-mini quarterly

[Koichiro IWAO]

Hi,

I'm receiving notification of distfile checksum mismatch from 
pkg-fallout.
This is already fixed at head. Please apply the fix to quarterly.

http://beefy2.nyi.freebsd.org/data/101amd64-quarterly/395341/logs/speedtest-mini-2.1.8.20150114,1.log
http://beefy2.nyi.freebsd.org/build.html?mastername=101amd64-quarterly&build=395341

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