warning when installing

[jugmac00]

Getting distribution for 'AccessControl==5.0'.
src/AccessControl/cAccessControl.c:2202:7: warning: code will never be executed
[-Wunreachable-code]
unauthErr(name, v);
^~~~~~~~~

first reported in zopefoundation/BTrees#174

[jamadden]

This is a statement after a return.

I can see why the compiler thinks that’s is unused (the compiler is right). I can also imagine, in context (a big switch statement, which in C, falls through), why a programmer might leave it there. Possibly the bigger function needs refactored.