Port uClibc patches to 0.9.30.2

Some patches from 0.9.30.1 now applied upstream. The reminder have
been only slightly modified to apply cleanly to the new base.

Signed-off-by: Joachim Nilsson <jocke@vmlinux.org>

reporter_name="Alexander BIGGA"

reporter_url="http://sourceware.org/ml/crossgcc/2008-06/msg00031.html"

reporter_comment=""