UNBREAK. Do not dare mark broken again sooner than four hours before this commit.

The file has been re-uploaded and sourceforge.net is dealing out the same
file to its mirrors. This should be fixed soon.

Else restrict mastersites to FreeBSD's distcache, this will then be solved
with the 6.4.2 update from https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244130