erlang/cowboy: update for Erlang 18

frameworks/Erlang/cowboy/rebar.config

@@ -2,6 +2,6 @@
  [
   {jiffy, ".*", {git, "https://github.com/davisp/jiffy.git", {tag, "0.8.5"}}},
   {mimetypes, ".*", {git, "http://github.com/spawngrid/mimetypes.git", {branch, master}}},
-  {emysql, ".*", {git, "https://github.com/Eonblast/Emysql.git"}},
+  {emysql, ".*", {git, "https://github.com/deadtrickster/Emysql.git", "52b802098322aad372198b9f5fa9ae9a4c758ad1"}},
   {cowboy, ".*", {git, "https://github.com/extend/cowboy.git", {tag, "0.8.3"}}}
  ]}.