[COMMITTED PATCH] Fix compilation warnings in some NPTL tests.

[David Miller]

From: Roland McGrath <roland@hack.frob.com>
Date: Thu, 25 Oct 2012 15:59:27 -0700 (PDT)

> diff --git a/nptl/tst-cond-except.c b/nptl/tst-cond-except.c
> index b9871ba..be9c4ef 100644
> --- a/nptl/tst-cond-except.c
> +++ b/nptl/tst-cond-except.c
 ...
>  int
> -do_test ()
> +do_test (void)

This breaks the build, please test your changes.

The default definition of TEST_FUNCTION is "do_test(argc, argv)"