Don't make_bfd_vms_lib archive functions NULL
    
    Contrary to the comment, they can in fact be called.
    
    	* libbfd-in.h (_bfd_vms_lib_slurp_armap): Use _bfd_noarchive function.
    	(_bfd_vms_lib_slurp_extended_name_table: Likewise.
    	(_bfd_vms_lib_construct_extended_name_table: Likewise.
    	(_bfd_vms_lib_truncate_arname: Likewise.
    	(_bfd_vms_lib_write_armap: Likewise.
    	(_bfd_vms_lib_read_ar_hdr: Likewise.
    	(_bfd_vms_lib_write_ar_hdr: Likewise.
    	* libbfd.h: Regenerate.