[PATCH] BUG/MINOR: fix http-response set-log-level parsing error

[Ruoshan Huang]

hi,
    `http-response set-log-level` doesn't work, as the config parsing always 
set the log level to -1.

0001-BUG-MINOR-fix-http-response-set-log-level-parsing-er.patch
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Good day!
ruoshan