closing the loop on Erlang metaprogramming with Smerl

[Yariv Sadan]

> {ok, C2} = smerl:add_func(foo, bar, fun() -> 3 + A end),

Sorry -- example bug. This is the right line:

{ok, C2} = smerl:add_func(C1, bar, fun() -> 3 + A end),