[gold][patch] Fix problem where unsatisfied reference to vtable causes a misleading error message

[Ian Lance Taylor]

Cary Coutant <ccoutant@google.com> writes:

> 	* symtab.h (needs_plt_entry): Check for unsatisfied reference from
> 	an executable.
> 	(needs_dynamic_reloc): Likewise.

This is OK.

Thanks.

Ian