toolchains/regen: Minor fix (#233)

Signed-off-by: Ryan Northey <[email protected]>

toolchains/regenerate.sh

@@ -2,14 +2,14 @@
 
 set -o pipefail
 
+export RBE_AUTOCONF_ROOT=$(bazel info workspace)
 BAZEL_VERSION="$(cat .bazelversion)"
 CONTAINER_TAG=$(git log -1 --pretty=format:"%H" "${RBE_AUTOCONF_ROOT}/build_container")
 COMMIT_HASH="$(git rev-parse HEAD)"
 LAST_COMMIT_MESSAGE="$(git log --format=%B -n 1)"
 COMMITTER_NAME="update-envoy[bot]"
 COMMITTER_EMAIL="135279899+update-envoy[bot]@users.noreply.github.com"
 DOCKER_IMAGE="gcr.io/envoy-ci/${GCR_IMAGE_NAME}:${CONTAINER_TAG}"
-export RBE_AUTOCONF_ROOT=$(bazel info workspace)
 RBE_CONFIG_GEN_DIR="${RBE_AUTOCONF_ROOT}/external/bazel_toolchains/cmd/rbe_configs_gen"
 BAZELRC_DEST="${RBE_AUTOCONF_ROOT}/toolchains/configs/${OS_FAMILY}/.latest.bazelrc"
 COMMIT_MSG="Regenerate ${OS_FAMILY} toolchains from ${COMMIT_HASH}