[gold patch] Fix problem where --incremental-base with huge file reports "file too short"

[Ian Lance Taylor]

Cary Coutant <ccoutant@google.com> writes:

> 2011-10-11  Cary Coutant  <ccoutant@google.com>
>
> 	* gold/output.cc (Output_file::open_base_file): Handle case where
> 	::read returns less than requested size.

This is OK.

Thanks.

Ian