Avoid corrupted upstream install on Debian's

Author: noelmcloughlin

postgres/osfamilymap.yaml

@@ -16,7 +16,11 @@ Debian:
     key_url: 'https://www.postgresql.org/media/keys/ACCC4CF8.asc'
     file: /etc/apt/sources.list.d/pgdg.list
   pkg_repo_keyid: ACCC4CF8
+    {% if repo.use_upstream_repo == true %}
+  pkg_dev: ''
+    {% else %}
   pkg_dev: postgresql-server-dev-all
+    {% endif %}
 
 FreeBSD:
   user: pgsql