script: allow to pass any float value for CT_LOAD

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Message-Id: <b51acf21c72b4a8e882e.1359320015@laptop>
Patchwork-Id: 216062

 #!/bin/sh

 set -e

 printf "Running autoconf...\n"

 autoconf -Wall --force

 printf "Done. You may now run:\n    ./configure\n"