Rename a script to make its goal more clear

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@6928 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/buildtools/scripts/build_from_dist.sh b/buildtools/scripts/build_with_autotools.sh
similarity index 100%
rename from buildtools/scripts/build_from_dist.sh
rename to buildtools/scripts/build_with_autotools.sh