vhost-user-test: do not reinvent glib-compat.h glib-compat.h has the gunk to support both old-style and new-style gthread functions. Use it instead of reinventing it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Tested-by: Marc-André Lureau <marcandre.lureau@redhat.com>