Add install of deb package alien to pre-build

Need extra support to build RPM packages on a Debian distro

Signed-off-by: Lott, Christopher (cl778h) <cl778h@att.com>
Change-Id: I339b257cc3483c9ba7d942c1da20fcc21166b14c
diff --git a/jjb/ric-plt-xapp-frame-cpp/ric-plt-xapp-frame-cpp.yaml b/jjb/ric-plt-xapp-frame-cpp/ric-plt-xapp-frame-cpp.yaml
index 9bbd431..fe44103 100644
--- a/jjb/ric-plt-xapp-frame-cpp/ric-plt-xapp-frame-cpp.yaml
+++ b/jjb/ric-plt-xapp-frame-cpp/ric-plt-xapp-frame-cpp.yaml
@@ -26,8 +26,10 @@
     # Use ubuntu base for cmake v3
     # Use docker variant for packagecloud ruby gem
     build-node: ubuntu1804-docker-4c-4g
+    # install alien package to build RPMS
     # install RMR per version file in repo for ubuntu
     pre-build: !include-raw-escape:
+      - ../shell/install-deb-alien.sh
       - ../shell/install-deb-rmr3.sh
 
 # development library - publish only