[LTP] [PATCH v2 1/2] syscalls/readdir01: Convert to new API

[Cyril Hrubis]

Hi!
Pushed with minor changes, thanks.

* Made global variables static
* Moved the path[] to the test setup
* used sizeof(prefix)-1 instead of strlen(prefix)

-- 
Cyril Hrubis
chrubis@suse.cz