While retrieving files, propagate the preferred extension down to sub-functions.

/trunk/scripts/functions | 8 5 3 0 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

 # Compute x86_64-specific values

 CT_DoArchValues() {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

 }