Spoken too soon, old ubuntus still need systemd

Re-Add it wirth patches, the systems requiring it are in the minority.

docker/build/debian_source.sh

@@ -24,6 +24,11 @@ test -z ${SERIES} && SERIES=unstable
 
 DEBIAN_VERSION=${DEBIAN_VERSION_BASE}~${SERIES} || exit $?
 
+SERIES_PATCH=debian/patches/ubuntu-${SERIES}.patch
+if test -r ${SERIES_PATCH}; then
+  patch -p1 < ${SERIES_PATCH} || exit $?
+fi
+
 mv debian/changelog changelog_orig || exit $?
 cat > debian/changelog <<EOF
 armagetronad (${DEBIAN_VERSION}) ${SERIES}; urgency=medium

docker/scripts/fix_gits.sh

@@ -20,7 +20,7 @@ function fix_gits(){
 
     fix_git winlibs d03e20bf8973a6cbd1e0ecb47dd8333c5614b139 || return $?
     fix_git codeblocks 5ab4c626eb7cfa692a0bda7dbf26fed3721e4aa3 || return $?
-    fix_git ubuntu 61b9a6ba08a6b84792a879164a34b84aac564000 || return $?
+    fix_git ubuntu f6859ba047e2fa1d291ddd0f0f52b56950faf169 || return $?
 }
 
 if ! fix_gits; then