[fortran, patch] Fix PR 14377 - simplifying minmax bug.

[Paul Brook]

> The testsuits ChangeLog.tree-ssa:
> 2004-03-10  Feng Wang  <fengwang@nudt.edu.cn>
>
> 	* gfortran.fortran-torture/execute/intrinsic_minmax.f90: Add simplify
> 	test.
>
> The fortran ChangeLog:
> 2004-03-03  Feng Wang  <fengwang@nudt.edu.cn>
>
> 	PR fortran/14377
> 	* simplify.c (simplify_min_max): Convert the type of the result.

Ok.

Paul