Fix seccomp setting in example
Fix seccomp setting in example

Docker 1.10 supports ":" as the separator while Docker 1.11 supports both "="
and ":'.

timothyhinrichs/opa,tsandall/opa,open-policy-agent/opa,open-policy-agent/opa,tsandall/opa,Eva-xiaohui-luo/opa,Eva-xiaohui-luo/opa,tsandall/opa,timothyhinrichs/opa,open-policy-agent/opa,Eva-xiaohui-luo/opa,tsandall/opa,open-policy-agent/opa,timothyhinrichs/opa,timothyhinrichs/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,timothyhinrichs/opa,open-policy-agent/opa