[patch] Fix readelf problems displaying loclists in .dwo files

[nick clifton]

Hi  Cary,

>> binutils/
>>          * dwarf.c (display_loc_list): Update offset for each line
>>          printed.
>>          (print_addr_index): New function.
>>          (display_loc_list_dwo): Update offset for each line printed.
>>          Fix problems displaying loclists in .dwo files.  Add support
>>          for type 4 entries.
>>          (display_debug_loc): Remove custom header for .dwo files.
>>          (display_debug_addr): Adjust formatting.

Approved - please apply.

Cheers
   Nick