[elfcpp][PATCH] Change ch_type to Elf_Word in struct Chdr_data<64>

[Cary Coutant]

>>         * elfcpp.h (Chdr::get_ch_type): Change return type to Elf_Word.
>>         * elfcpp_internal.h (Chdr_data<64>): Change ch_type to 4 bytes
>>         and add ch_reserved.
>
> I checked in this patch to fix:
>
> https://sourceware.org/bugzilla/show_bug.cgi?id=19060

Thanks!

Sorry I didn't review it earlier. For the record, LGTM.

-cary