The 't' length modifier isn't in SUSv2, unsurprisingly %tx isn't
recognized by older printf implementations. So even though 't' is
correct for ptrdiff_t we can't use it. Also, _bfd_int64_high and
_bfd_int64_low disappeared in 2008.
PR 26349
* readelf.c (dump_relocations): Use BFD_VMA_FMT to print offset
and info fields.
(dump_section_as_strings): Don't use %tx to display offset.