libc_hidden_proto removal en masse

[Carmelo AMOROSO]

Denys Vlasenko wrote:
> Hi,
> 
> Seems like removal of libc_hidden_proto's for functions
> from string.h went without major catastrophes.
> 
> I would like to go ahead and remove all other
> libc_hidden_proto's from .c files. I plan to do it
> on coming weekend.
> 
> If this will interfere with your work, please
> let me know before Friday.
> 
> I am especially worried about Carmelo's merge -
> Carmelo, is my plan ok with you?
> 
> Thanks,
> --
> vda
> 
I'd like to highlight that we need to fix the testsuite build system.
I've sent a patch recently putting together some suggestions by Bernard, 
Bernd and others. I'd like to have it reviewed so that it can be merged in.

Carmelo