Add postgresql-contrib-9.3

OsamaSayegh · OsamaSayegh · commit 30b5e9310fd6 · 2020-06-08T17:02:35.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -45,6 +45,7 @@ addons:
     packages:
       - postgresql-9.3
       - postgresql-client-9.3
+      - postgresql-contrib-9.3
 services:
   - redis-server
   - xvfb
