message: run-swig.sh documentation update
diff: #!/bin/bash
  -# NOTE: Run this script manually every time you make changes to libtorrent.i, this is not ran by any of the build scripts, including .travis.yml
  +# WARNING: This script is not meant to be run directly. Every OS script must call it so that env path variables can be set correctly
  source build-utils.shinc
  -
  abort_if_var_unset "LIBTORRENT_ROOT" ${LIBTORRENT_ROOT}
  -echo "run-swig.sh: BOOST_ROOT=${BOOST_ROOT}"
  abort_if_var_unset "BOOST_ROOT" ${BOOST_ROOT}
  # Extracted from ../build.gradle
  