This ain't no loop

This ain't no loop

This was to a loop, as "1234" is to computer security.

No really; a loop that ends in a (forward) goto, and has no continue in it.

Still want a loop?  Take two:

 #define loopity_loop() do { for (;;) { break; } continue; } while (0-0)

Closes: <https://github.com/shadow-maint/shadow/issues/736>
Easter-egg: 8492dee6632e ("subids: support nsswitch")
Signed-off-by: Alejandro Colomar <alx@kernel.org>