* pinfo.h (pinfo::status_exit): Rename from former static function in pinfo.cc.
(pinfo::operator == (char *)): Remove unused operator.
* pinfo.cc (pinfo::status_exit): Move this function info pinfo class.  Use
progname from the pinfo rather than myself.  Be defensive when inspecting
procinfo.
	* dwarf2read.c (lookup_signatured_type): Remove complaint about
	missing .debug_types section.
	* dwarf2read.c (struct signatured_type): Tweak comment.
	(struct dwo_unit): Tweak comment.
	(create_debug_types_hash_table): Tweak comment.  Reformat long line.
	(create_dwo_debug_info_hash_table): Tweak comment.
	(dwarf2_per_cu_offset_and_type): Tweak comment.