PR 1147

PR 1147
elf32-arm.c (bfd_elf32_close_and_cleanup): Define.
  (elf32_arm_close_and_cleanup): New function - walk over the sections in the
    bfd that is being closed removing them from the list of recorded sections.
  (unrecord_section_via_map_over_sections): New helper function.
  (record_section_with_arm_elf_section_data): Call bfd_malloc instead of
    bfd_alloc.  Remove unneeded abfd parameter.
  (elf32_arm_new_section_hook): Do not pass bfd to record_section_with_arm_elf_section_data.
elfxx-target.h (bfd_elfNN_close_and_cleanup): Only define if not already
  defined by the target.