[gold patch] Fix incremental update problems with shared objects and versioned symbols

[Ian Lance Taylor]

Cary Coutant <ccoutant@google.com> writes:

> 2011-09-27  Cary Coutant  <ccoutant@google.com>
>
> 	* gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
> 	Check for NULL.
> 	* gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
> 	symbols during incremental update.
> 	(Symbol_table::add_from_dynobj): Likewise.

This is OK.

Thanks.

Ian