Release v0.39

Bumping libtool current & age  as new symbol was added to
libspice-client-glib-2.0.so:

    spice_main_channel_update_display_mm()

Signed-off-by: Victor Toso <victortoso@redhat.com>
2 jobs for v0.39 in 3 minutes (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #5896962
fedora

00:03:00

passed #5896963
windows

00:02:05