[PATCH] fixed two coverity issues

[Marcus Meissner]

> Hi,
> 
> Spotted by Coverity (CID 308), the strlen() was misdetected,
> but I replaced it by sizeof() to avoid the misdetected.
> 
> Spotted that pTo should also get a double-zeroed string.

Please disregard this patch, it is incorrect :/

Ciao, Marcus