* archive.c (_bfd_calloc_wrapper): New function.
(_bfd_add_bfd_to_archive_cache): Use it.
* configure.in: Add alpha*-*-*vms* to list of natives.
* configure: Regenerate.
* vms-misc.c: Define globalref if necessary.
(vms_convert_to_var_unix_filename): Rename to
_bfd_vms_convert_to_var_unix_filename and export.
* vms.h: Add prototype for _bfd_vms_convert_to_var_unix_filename.
* vms-alpha.c (vms_close_and_cleanup): Update invocation of
vms_convert_to_var_unix_filename.
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