SH: forced local symbols

[Clarke, Stephen]

> The first of two patches to bring SH up to date in some changes since it was
> contributed.  This one is for forced local symbols.  
> ...
> Sigh... <insert long rant about the amount of pointless code duplication
> between ELF targets, for things that are target-independent>.  

Talking about pointless code duplication,  I think you would need a
corresponding change in elf64-sh64.c?

Steve.