[gfortran] Fix PR 15234 : asseumed length character arrays

[Paul Brook]

> 2004-07-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
>
> 	PR fortran/15234
> 	* trans-array.c gfc_trans_g77_array,
> 	gfc_trans_dummy_array_bias): Don't call gfc_trans_string_init
> 	for assumed length characters.
> 	(gfc_conv_expr_descriptor): Set se->string_length if dealing
> 	with a character expression.
> 	(gfc_cvonv_array_parameter): Pass string length when passing
> 	character array according to g77 conventions.

Ok.

Paul