minor fix check if table using by model
Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/8d9d62b0
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/8d9d62b0
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/8d9d62b0
minor fix check if table using by model
Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/8d9d62b0
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/8d9d62b0
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/8d9d62b0