Fix server signal bugs - Githubissues

Fixes a couple of bugs related to the newly introduced server signals.

[ x ] Do the tests pass? Consistently?
[ x ] Did this change improve test coverage?
[ ] Has it been reviewed/approved by relevant teammates?
[ x ] Can it be QA’d in staging or something like staging?
[ x ] Is the code in question being linted? If not, consider adding a linter step to CI. If yes, make sure the linter is happy.
[ x ] Do we know how we’re going to deploy this?
[ x ] Are we clear on what the support and maintenance impact is?
[ x ] Did you create new documentation? Is it accessible and in the right place?
[ x ] Has existing documentation been updated?
[ x ] Have you logged tickets for related technical debt with the label “techdebt”?

getlantern / tlsmasq