Sorry about that, it's my fault: when centos was upgraded from "7.0" to "7.1", the canonical repository location for "7" changed (automatically done by the buildbot), and I forgot to copy over the libraries that had not been changed since and therefore had not been rebuilt (the ones that are now failing for you).
So if anything is missing from the 7.1 repo (which is here: http://xpra.org/dists/CentOS/7.1/), you should have been able to find it in the 7.0 repo (which is here: http://xpra.org/dists/CentOS/7.0/).
But now that you've pointed out this problem, I have rebuilt all the libraries (I think), so now you should just be able to do:
yum clean all && yum install xpra
I haven't tested this myself on centos 7.1 yet, so please let me know if that solves your problem.
(note: there is no winswitch rpm in that repository, I am still working on that)
copyleft 2009 - 2014
