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(-)

 # Compute Alpha-specific values

 CT_DoArchTupleValues () {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_ALPHA_VARIANT}"

     # The kernel ARCH:

     CT_KERNEL_ARCH=${CT_ARCH}

 }