Testsuite patch to make cxa_atexit test available in gcc subdir

[Paolo Carlini]

Steve Ellcey wrote:

>libstdc++/ChangeLog
>
>2006-05-09  Steve Ellcey  <sje@cup.hp.com>
>
>	
>	* libstdc++/testsuite/lib/libstdc++.exp (check_v3_target_cxa_atexit):
>	Remove.
>	* libstdc++/testsuite/lib/dg-options.exp (dg-require-iconv): Remove.
>	(dg-require-cxa-atexit): Remove.
>  
>
The libstdc++-v3 bits are certainly fine with me.

Thanks,
Paolo.