On Fedora 19 I'm getting thinlinc_user_t rather than xauth_home_t as the file context on Xauthority.
Fixed in r28260.
Verified that the Xauthority file has the expected context: -rw-------. cendio cendio unconfined_u:object_r:xauth_home_t:s0 Xauthority Looks good to me.