Use manifest package name in generated code.

v2alpha/cmd/goupnp2srvgen/main.go

@@ -140,6 +140,7 @@ func processService(
 	}
 
 	err = tmpl.ExecuteTemplate(os.Stdout, "service", tmplArgs{
+		Manifest: srvManifest,
 		Imps:     imps,
 		SCPD:     sd,
 	})
@@ -169,6 +170,7 @@ type ServiceManifest struct {
 }
 
 type tmplArgs struct {
+	Manifest *ServiceManifest
 	Imps     *imports
 	SCPD     *srvdesc.SCPD
 }

v2alpha/srv/srv.gotemplate

@@ -1,6 +1,6 @@
 {{define "service"}}
 {{- $Imps := .Imps}}
-package TODO
+package {{.Manifest.Package}}
 
 import (
 {{- range .Imps.ImportLines}}