fsm: the callback function pointers should have the right type
fsm: the callback function pointers should have the right type

This worked because the compiler was essentially falling back to pre-ANSI C
syntax for function pointers.  Ow!

Found by sparse.

Signed-off-by: Josef 'Jeff' Sipek <a620f141433c70aa9e43778305a6c68cbfadfb25@josefsipek.net>

jeffpc/blahgd,jeffpc/blahgd