Fix documentation for namespace/model.go's Glob() functionality as per
my obversations.

Change-Id: I42da2bc33bdcd720934ecd9eb734e38915926a5f
diff --git a/namespace/model.go b/namespace/model.go
index 1c19a9c..bf166f8 100644
--- a/namespace/model.go
+++ b/namespace/model.go
@@ -67,10 +67,10 @@
 	//	}
 	//	for s := range rc {
 	//		switch v := s.(type) {
-	//		case *naming.MountEntry:
-	//			fmt.Printf("%s: %v\n", v.Name, v.Servers)
-	//		case *naming.GlobError:
-	//			fmt.Fprintf(stderr, "%s can't be traversed: %s\n", v.Name, v.Error)
+	// 		case *naming.GlobReplyEntry:
+	// 			fmt.Printf("%s: %v\n", v.Name, v.Value.Servers)
+	// 		case *naming.GlobReplyError:
+	// 			fmt.Fprintf(stderr, "%s can't be traversed: %s\n", v.Name, v.Value.Error)
 	//		}
 	//	}
 	Glob(ctx *context.T, pattern string, opts ...naming.NamespaceOpt) (<-chan naming.GlobReply, error)