PATCH to libiberty: Warn for C++ compatibility

[Ian Lance Taylor]

Gabriel Dos Reis <gdr@integrable-solutions.net> writes:

> 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
> 
> 	* configure.ac: Add -Wc++-compat to ac_libibety_warn_cflags where
> 	supported. 
> 	* configure: Regenerated.

This is OK.

Thanks.

Ian