The newer update-copyright.py fixes file encoding too, removing cr/lf
on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and
embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
The result of running etc/update-copyright.py --this-year, fixing all
the files whose mode is changed by the script, plus a build with
--enable-maintainer-mode --enable-cgen-maint=yes, then checking
out */po/*.pot which we don't update frequently.
The copy of cgen was with commit d1dd5fcc38ead reverted as that commit
breaks building of bfp opcodes files.
(read_uleb128_to_uint64): Renamed from read_uleb128_to_ull.
Change to take a uint64_t * argument instead of unsigned long long.
(read_sleb128_to_uint64): Renamed from read_sleb128_to_ll.
Change to take an int64_t * argument instead of long long.
