[eclass] Don't search mirrors for beta versions that will only ever be in the overlay.
[media-fonts/oxygen-fonts] Fix SRC_URI.

Package-Manager: portage-2.2.10
[x11-libs/libkscreen] Fix SRC_URI.

Package-Manager: portage-2.2.10
[net-libs/libmm-qt] Fix SRC_URI.

Package-Manager: portage-2.2.10
[net-libs/libnm-qt] Fix SRC_URI.

Package-Manager: portage-2.2.10