[rfa] delete xfail from gdb.base/corefile.exp

[Andrew Cagney]

> On Wed, Sep 24, 2003 at 05:47:04PM -0700, David Carlton wrote:
> 
>> Ever since Jim got corefile.exp working on Linux, I've been annoyed by
>> this:
>> 
>> XPASS: gdb.base/corefile.exp: up in corefile.exp (reinit) (PRMS CLLbs17002)
>> 
>> The test passes reliably, and the message refers to some ancient
>> bug-tracking system;

FYI, it's from hp (their internal system I think).

Andrew