c3-lang/libffi

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0a296b6..c421652 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -123,7 +123,7 @@ jobs:
           scp -o StrictHostKeyChecking=no -i /tmp/cfk -P ${{ matrix.CFARM_PORT }} ${{ secrets.CFARM_USERNAME }}@${{ matrix.CFARM_HOST }}:t/$GITHUB_RUN_NUMBER/*/testsuite/*.log .
           ssh -o StrictHostKeyChecking=no -i /tmp/cfk -p ${{ matrix.CFARM_PORT }} ${{ secrets.CFARM_USERNAME }}@${{ matrix.CFARM_HOST }} "rm -rf t/$GITHUB_RUN_NUMBER"
           wget -qO - https://rl.gl/cli/rlgl-linux-amd64.tgz | \
- 	       tar --strip-components=2 -xvzf - ./rlgl/rlgl;
+               tar --strip-components=2 -xvzf - ./rlgl/rlgl;
           ./rlgl l --key=0LIBFFI-0LIBFFI-0LIBFFI-0LIBFFI https://rl.gl
           ID=$(./rlgl start)
           ./rlgl e --id=$ID --policy=https://github.com/libffi/rlgl-policy.git libffi.log