[gomp] Fix fortran reduction expansion

[FX Coudert]

> 2006-10-29  Jakub Jelinek  <jakub@redhat.com>
>
> 	PR fortran/29629
> 	* trans-openmp.c (gfc_trans_omp_array_reduction): Set attr.flavor
> 	of init_val_sym and outer_sym to FL_VARIABLE.
>
> 	* testsuite/libgomp.fortran/pr29629.f90: New test.

OK for mainline and 4.2.

FX