Brandon Carpenter a75d6f0761 ui: Always remove an old VNC channel watch before adding a new one
Also set saved handle to zero when removing without adding a new watch.

Signed-off-by: Brandon Carpenter <brandon.carpenter@cypherpath.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
2017-10-04 13:21:53 +01:00
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