Don't warn on universe repo

installJRMC

@@ -1613,7 +1613,7 @@ main() {
         ubuntu)
             if ! grep ^deb /etc/apt/sources.list|grep -q universe; then
                 echo "Adding universe repository"
-                sudo add-apt-repository universe
+                sudo add-apt-repository -y universe
             fi
             ;;
         centos)