[PATCH] bfd: Use size_t in the BFD mmap interface

[Tom Tromey]

>>>>> "HJ" == H J Lu <hjl.tools@gmail.com> writes:

HJ> This is the part of elf: Use mmap to map in read-only sections:
HJ> https://sourceware.org/pipermail/binutils/2024-March/132868.html

HJ> and was approved in:

HJ> https://sourceware.org/pipermail/binutils/2024-March/132880.html

HJ> I am checking in this part.

If bfd_size_type ever differs from size_t then this patch would cause a
gdb build failure.

I'll patch gdb here shortly.

Tom