Fix typo in HoneybadgerError (a.k.a. namespace fail)
Fix typo in HoneybadgerError (a.k.a. namespace fail)

joshuap/honeybadger-php,gevans/honeybadger-php,honeybadger-io/honeybadger-php,gevans/honeybadger-php,joshuap/honeybadger-php,o0khoiclub0o/honeybadger-php,o0khoiclub0o/honeybadger-php