sync with texlive revision 45869.

source/ChangeLog

source/build-aux/ar-lib

source/build-aux/compile

source/build-aux/config.guess

source/build-aux/config.sub

source/build-aux/depcomp

source/build-aux/install-sh

source/build-aux/texinfo.tex

source/configure

source/libs/README

source/libs/configure

source/libs/libpng/libpng.test

source/libs/lua52/luaerror.test

source/libs/luajit/luajiterr.test

source/libs/zlib/zlib.test

source/libs/zziplib/zziplib.test

source/m4/ChangeLog

source/m4/kpse-setup.m4

source/texk/configure

source/texk/kpathsea/ChangeLog