Incorrect child specs for fsm sups

[seancribbs]

These child specs should be supervisors, not workers.

Thanks @DeadZen for finding this.

[kuenishi]

I believe it's harmless as the child_type is used only for which_children and count_children in supervisor. c.f. https://github.com/basho/otp/blob/otp-16b02-basho/lib/stdlib/src/supervisor.erl
Nonetheless, we'll care that.

[DeadZen]

Cool, thanks @kuenishi / @seancribbs, Yes I see these are not harmful,
mostly out of the execution path, and probably would not turn up without
visual examination of the code. It may help tho to keep them from becoming
harmful if we mark them when one happens upon them. Btw, that was quick.
So, here's another one.. #1069 :)

On Tue, Feb 3, 2015 at 4:11 PM, UENISHI Kota notifications@github.com
wrote:

I believe it's harmless as the child_type is used only for which_children
and count_children in supervisor. c.f.
https://github.com/basho/otp/blob/otp-16b02-basho/lib/stdlib/src/supervisor.erl
Nonetheless, we'll care that.

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