[patch][gold] Fix symbol visibility in plugin objects

[Ian Lance Taylor]

Rafael Espindola <espindola@google.com> writes:

> 2010-05-30  Rafael Espindola  <espindola@google.com>
>
> 	* plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
> 	visibility of symbols.

This is OK.

Thanks.

Ian