Fix removing existing directories by chmod'ing them to be user-writeable.

/trunk/scripts/crosstool.sh | 21 10 11 0 ++++++++++-----------
/trunk/scripts/functions | 7 7 0 0 +++++++
2 files changed, 17 insertions(+), 11 deletions(-)

 reporter_name="Ioannis E. VENETIS"

 reporter_url="http://sourceware.org/ml/crossgcc/2008-06/msg00017.html"

 reporter_comment=""