email-gravatar.lua: fix for lua 5.2

Esse commit está contido em:
Christian Hesse 2014-01-14 11:32:54 +01:00 commit de Jason A. Donenfeld
commit 50287e7912

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@ -7,7 +7,7 @@
-- <http://mkottman.github.io/luacrypto/> -- <http://mkottman.github.io/luacrypto/>
-- --
require("crypto") local crypto = require("crypto")
function filter_open(email, page) function filter_open(email, page)
buffer = "" buffer = ""