Minor fix for spec.DeepHash().

In case Pod names ever change without changing endpoint addresses.

pkg/varnish/vcl/spec.go

@@ -132,6 +132,7 @@ func (spec Spec) DeepHash() []byte {
 		}
 		sort.Strings(epNames)
 		for _, epName := range epNames {
+			hash.Write([]byte(epName))
 			spec.Services[svc].Endpoints[epName].hash(hash)
 		}
 	}