Use erlang:error(Reason) instead of throw

[nachivpn]

No description provided.

[nachivpn]

This also appears to be the cause for the bizzare linter crash on type errors:

crash reason: badarg

  in function  erl_lint:start_state/2 (erl_lint.erl, line 771)
  in call from lists:foldl/3 (lists.erl, line 1263)
  in call from erl_lint:forms/2 (erl_lint.erl, line 689)
  in call from erl_lint:module/3 (erl_lint.erl, line 534)
  in call from compile:lint_module/2 (compile.erl, line 1111)
  in call from compile:'-internal_comp/5-anonymous-1-'/3 (compile.erl, line 342)
  in call from compile:fold_comp/4 (compile.erl, line 369)
  in call from compile:internal_comp/5 (compile.erl, line 353)