[PATCH, almost obvious] fix bogus ELF check in tc-mips.c

[cgd@broadcom.com]

>2002-02-15  Chris Demetriou  <cgd@broadcom.com>
>
>        * config/tc-mips.c (md_estimate_size_before_relax): Really
>        make sure we treat weak like extern only for ELF.  (Fixes
>        patch from 2001-07-25.)


Daniel and Eric OK'd this one off-list, as well.  It's in on branch
and trunk.



chris