Fix missing default channel creation

client.go

@@ -109,7 +109,7 @@ func NewClient(config Config) (c *Client, err error) {
 		c.config.ConnectTimeout = 15 // 15 second as default
 	}
 
-	// Create a default channel that developer can override
+	// Create a default channel that developers can override
 	c.RecvChannel = make(chan interface{})
 
 	return

component.go

@@ -58,7 +58,10 @@ type Component struct {
 }
 
 func NewComponent(opts ComponentOptions) (*Component, error) {
-	return &Component{ComponentOptions: opts}, nil
+	c := Component{ComponentOptions: opts}
+	// Create a default channel that developers can override
+	c.RecvChannel = make(chan interface{})
+	return &c, nil
 }
 
 // Connect triggers component connection to XMPP server component port.