[PATCH] Fix -Wformat-length warning in tst-setgetname.c

[Tolga Dalman]

Hi Steve,

nice catch! Your fix is ok -- nitpicking now.

>  #define FMT "/proc/self/task/%lu/comm"
> -  char fname[sizeof (FMT) + 8];
> +  char fname[sizeof (FMT) + 32];

+ 20 is sufficient. (actually 20 - sizeof("%lu"))

>    sprintf (fname, FMT, (unsigned long) tid);

suggest to use snprintf instead.

Thanks
Tolga