Pull Request #46 Fix xcode build errors

Build that was failing:
https://travis-ci.org/travis-ci/travis-rubies/jobs/347426899

Error:
```
The command "unset JRUBY_OPTS" exited with 0.
3.61s$ ./build.sh
update rvm
2.29s$ rvm remove 1.8.7
ruby-1.8.7-head - #already gone
/Users/travis/.rvm/bin/rvm: line 66: shell_session_update: command not found
/usr/local/bin/gpg
gpg: /Users/travis/.gnupg/trustdb.gpg: trustdb created
gpg: error reading key: No public key
gpg: keyserver receive failed: No route to host
The command "./build.sh" exited with 2.
```

- First error seems to be a well known issue : https://github.com/direnv/direnv/issues/210
- Second error for gpg https://github.com/rvm/rvm/issues/4215#issuecomment-345686194

benoittgt

Pull request event #18669 errored

  • Ran for
  • Total time
  • New branch build