Fix compilation error when cgroups v2 is not being compiled.
This closes #575
diff --git a/src/slave/containerizer/mesos/linux_launcher.cpp b/src/slave/containerizer/mesos/linux_launcher.cpp
index cbc883b..7682a56 100644
--- a/src/slave/containerizer/mesos/linux_launcher.cpp
+++ b/src/slave/containerizer/mesos/linux_launcher.cpp
@@ -786,7 +786,7 @@
return cgroups2::destroy(cgroup);
#else
- return Error("cgroups2 is not enabled");
+ return Failure("cgroups2 is not enabled");
#endif // ENABLE_CGROUPS_V2
}