ret_pointer_1.f90 XPASSes everywhere; propose to remove xfail line.

[Eric Botcazou]

> But wouldn't removing the xfail line at least concentrate our efforts on
> those few cases where it indeed, still, errors ?

May I draw your attention to PR fortran/17675, which is a big regression on 
SPARC wrt to the Fortran 77 compiler?  It is responsible for more than half of 
the testsuite failures (94) as of today.

-- 
Eric Botcazou