Document failure to build the uClibc cross-ldd under Cygwin as a known issue.

/trunk/docs/known-issues.txt | 16 15 1 0 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

# Compute x86_64-specific values

CT_DoArchTupleValues() {

    # The architecture part of the tuple:

    CT_TARGET_ARCH="${CT_ARCH}"

}