Revert update of the i686-freebsd builder

Looks like llvm 4.0.0 isn't read for that either.

diff --git a/src/ci/docker/dist-i686-freebsd/Dockerfile b/src/ci/docker/dist-i686-freebsd/Dockerfile
index 673fa4c0c4bc09b52a01d463c589bb3be0d5b6b1..686afc97289b14c1951e39a903c0d9491683ee39 100644 (file)
--- a/src/ci/docker/dist-i686-freebsd/Dockerfile
+++ b/src/ci/docker/dist-i686-freebsd/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:16.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   clang \