Jim MacArthur <jim.macarthur@codethink.co.uk>
	Mark Eggleston <mark.eggleston@codethink.com>

	-fdec-pad-with-spaces
	* gcc/fortran/lang.opt: add new option.
	* gcc/fortran/options.c (set_dec_flags): add SET_BITFLAG for
	flag_dec_pad_with_spaces.
	* gcc/fortran/simplify.c (gfc_simplify_transfer): memset with
	0x20 instead of 0x0 when flag_dec_pad_with_spaces is set.