[LTP] [RFC] [PATCH] lib/tst_mkfs: Exit with TCONF on missing mkfs.foo

[Cyril Hrubis]

Hi!
> > Maybe we can exit with 255 on ENOENT and with 254 otherwise.
> 
> Fine by me, I just wanted to avoid hiding every error under TCONF.

I've pushed this change for tst_run_cmd in separate patch, then the
patch for tst_mkfs.

-- 
Cyril Hrubis
chrubis@suse.cz