Fix rubocop style issue

2018-11-30 21:39:03 +00:00 · 2018-11-30 21:39:03 +00:00 · 383cac5753
--- a/app/services/download_service.rb
+++ b/app/services/download_service.rb
@ -80,7 +80,7 @@ class DownloadService
      releases  = @octokit.releases(repository)

      releases
-          .reject{ |release| release.prerelease || release.draft }
+          .reject { |release| release.prerelease || release.draft }
          .each do |release|
            release.assets.each do |asset|
              downloads << [