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-rw-r--r--lib/gitlab/ci/ansi2html.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/gitlab/ci/ansi2html.rb b/lib/gitlab/ci/ansi2html.rb
index e780f8c646b..974b5ad6877 100644
--- a/lib/gitlab/ci/ansi2html.rb
+++ b/lib/gitlab/ci/ansi2html.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
# ANSI color library
#
# Implementation per http://en.wikipedia.org/wiki/ANSI_escape_code
@@ -265,7 +267,7 @@ module Gitlab
def reset_state
@offset = 0
@n_open_tags = 0
- @out = ''
+ @out = +''
reset
end