common/lhttp: fix line wrapping of comment
common/lhttp: fix line wrapping of comment

R=dsansome@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2567313002

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go