replay: compatibility with former version
replay: compatibility with former version

GMutex usage in replay.c was not working so replace with plain pthread.

Signed-off-by: Frediano Ziglio <55d48b080b2e443e395cde84d2c83b135a4ff48e@redhat.com>

SPICE/spice,SPICE/spice,ya-mouse/spice,ya-mouse/spice,fgouget/spice,fgouget/spice,fgouget/spice,ya-mouse/spice,fgouget/spice,SPICE/spice