build: silence makefile when there is no lxdbr0 present

[tych0]

Signed-off-by: Tycho Andersen tycho.andersen@canonical.com

(Review request: http://reviews.vapour.ws/r/4777/)

[tych0]

$$merge$$

[jujubot]

Status: merge request accepted. Url: http://juju-ci.vapour.ws:8080/job/github-merge-juju

[jujubot]

Build failed: Does not match ['fixes-1576874', 'fixes-1564511', 'fixes-1579173', 'fixes-1579059']
build url: http://juju-ci.vapour.ws:8080/job/github-merge-juju/7687

[mitechie]

$$merge$$

[jujubot]

Status: merge request accepted. Url: http://juju-ci.vapour.ws:8080/job/github-merge-juju

[jujubot]

Build failed: Does not match ['fixes-1610990']
build url: http://juju-ci.vapour.ws:8080/job/github-merge-juju/8657

[mitechie]

$$jfdi$$

[jujubot]

Status: merge request accepted. Url: http://juju-ci.vapour.ws:8080/job/github-merge-juju

[jujubot]

Build failed: Does not match ['fixes-1610990']
build url: http://juju-ci.vapour.ws:8080/job/github-merge-juju/8658

[anastasiamac]

$$JFDI$$

[jujubot]

Status: merge request accepted. Url: http://juju-ci.vapour.ws:8080/job/github-merge-juju