Improve Homebrew compatibility (#1135)
Improve Homebrew compatibility (#1135)

* Allow linking to Homebrew's openssl.
* Add more search paths for better Homebrew compatibility.
jeremy/mysql2,sodabrew/mysql2,sodabrew/mysql2,brianmario/mysql2,brianmario/mysql2,jeremy/mysql2,sodabrew/mysql2,brianmario/mysql2,jeremy/mysql2