Merge pull request #680 from jburgess777/fix-empty-string-back-assert
authorClifford Wolf <clifford@clifford.at>
Tue, 30 Oct 2018 10:25:07 +0000 (11:25 +0100)
committerGitHub <noreply@github.com>
Tue, 30 Oct 2018 10:25:07 +0000 (11:25 +0100)
Avoid assert when label is an empty string


Trivial merge