varnish-modules: use branch

varnish/init.sls

@@ -70,8 +70,9 @@ varnish-modules:
     - force_fetch: True
     - force_reset: True
     - refspec_branch: 7.2
+    - branch: 7.2
   cmd.run:
-    - name: ./bootstrap && ./configure && make && make check && make install && systemctl restart varnish
+    - name: ./bootstrap && ./configure && make && make check -j 4 && make install && systemctl restart varnish
     - cwd: /usr/src/varnish-modules
     - require:
       - pkg: varnish