[CRIU] ✓ travis-ci: success for mount: add a missing return on a error path

[Patchwork]

== Series Details ==

Series: mount: add a missing return on a error path
URL   : https://zdtm.openvz.org/series/147/
State : success

== Logs ==

For more details see: https://travis-ci.org/criupatchwork/criu/builds/131535965