Try to get CI to work with stretch

.gitlab-ci.yml

@@ -8,7 +8,7 @@ run_tests:
   stage: test
   image: "ai/test:base"
   script:
-    - "apt-get install -q -y autoconf automake libtool pkg-config apache2-threaded-dev apache2-mpm-worker swig libpam0g-dev python-dev python-setuptools python-mox python-flask python-flup python-werkzeug python-nose python-m2crypto python-beautifulsoup"
+    - "apt-get install -q -y autoconf automake libtool pkg-config apache2-dev apache2 swig libpam0g-dev python-dev python-setuptools python-mox python-flask python-flup python-werkzeug python-nose python-m2crypto python-beautifulsoup"
     - "./autogen.sh && ./configure --enable-pam-sso --enable-mod-sso && make check"
 
 build:src: