Fix build by returning correct num of values from UpdateCampaign (!7670) · Merge requests · Administrator / sourcegraph · GitLab

Administrator requested to merge fix-build into master Jan 13, 2020

Created by: mrnugget

Merging https://github.com/sourcegraph/sourcegraph/pull/7650 and https://github.com/sourcegraph/sourcegraph/pull/7653 resulted in the build on master breaking. This here is the fix.