* ar.c: Include libiberty.h.
(inarch): Remove variable.
(map_over_members): Make static. Add arch argument, and use it
instead of inarch. Change all callers.
(main): Treat --version as -v. Accept -t argument. Accept any
number of archive arguments. Catch and use open_inarch return
value, rather than using inarch.
(open_inarch): Return newly opened BFD, rather than using inarch.
(do_quick_append): Make archive_filename const.
(write_archive): Add iarch argument, and use it instead of inarch.
Change all callers.
(delete_members, move_members, replace_members): Likewise.
(ranlib_only): Don't exit on success. Catch and use open_inarch
return value.
(ranlib_touch): New function.
* arsup.h (map_over_members): Don't declare.
(ar_end, ar_extract): Declare.
(open_inarch): Change return value in declaration to bfd *.
* arsup.c (map_over_list): Make static. Always pass two arguments
to function. Add arch argument, and use it instead of inarch.
Change all callers.
(ar_directory_doer): Make static. Add ignored second argument.
Change all callers.
(ar_directory): Use open_inarch return value rather than inarch.
(ar_addlib_doer): Make static.
(ar_addlib): Use open_inarch return value rather than inarch.
(ar_extract): Remove unused local variable abfd.