fixed nil error (#406)

Author: ozzyozbourne

examples/simple_client/main.go

@@ -54,6 +54,11 @@ func main() {
 		// Create client with the transport
 		c = client.NewClient(stdioTransport)
 
+		// Start the client
+		if err := c.Start(ctx); err != nil {
+			log.Fatalf("Failed to start client: %v", err)
+		}
+
 		// Set up logging for stderr if available
 		if stderr, ok := client.GetStderr(c); ok {
 			go func() {
@@ -84,11 +89,6 @@ func main() {
 		c = client.NewClient(httpTransport)
 	}
 
-	// Start the client
-	if err := c.Start(ctx); err != nil {
-		log.Fatalf("Failed to start client: %v", err)
-	}
-
 	// Set up notification handler
 	c.OnNotification(func(notification mcp.JSONRPCNotification) {
 		fmt.Printf("Received notification: %s\n", notification.Method)