* write.c (relax_and_size_seg): Change to the segment we are

	* write.c (relax_and_size_seg): Change to the segment we are
	relaxing, in case md_convert_frag, called by cvt_frag_to_fill,
	wants to call fix_new.
	* config/tc-m68k.c (m68k_ip): Permit PC relative code if the
	segment of the symbol is the current segment, not just in
	text_section.
	(md_convert_frag_1): Don't call subseg_change.
	(md_estimate_size_before_relax): Likewise.