Fix warnings in idna.c

[Andreas Schwab]

Andreas Jaeger <aj@suse.de> writes:

> I just saw these warnings:
>
> idna.c:445: warning: passing arg 1 of `strlen' from incompatible pointer type
> idna.c:445: warning: passing arg 1 of `__strdup' from incompatible pointer type
>
> Ok to commit the appended patch?

That looks completely bogus.  How is strcpy/strdup supposed to handle
a uint32_t array?

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."