which-2.18: Use foreign strictness to avoid automake errors

Fixed:
Makefile.am: error: required file './ChangeLog' not found

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
elfutils: fix elf_cvt_gnuhash

The 'dest' and 'src' can be same, we need to save the value of src32[2]
before swaping it.

Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>