ld: Unify the directory separator on Windows This patch is a spin-off of the following discussion: https://inbox.sourceware.org/binutils/20260717101723.1022175-1-jdx@o2.pl/ There is no need to use backslashes on Windows, as Windows handles forward slashes in paths quite well. Moreover, the linker has been using forward slashes on Windows for a long time. Signed-off-by: Jan Dubiec <jdx@o2.pl>