fixed a typo

examples/globals.rs

@@ -16,7 +16,7 @@ fn main() -> io::Result<()> {
         // left blank 
     });
     // register the callbacks in wayland 
-    registry.registry_listener();
+    registry.register_listener();
 
     // take a look around
     let _ = display.roundtrip();

src/registry.rs

@@ -97,7 +97,7 @@ impl Registry {
     {
         self.callbacks.global_remove = Some(Box::new(global_remove));
     }
-    pub fn registry_listener(&mut self) {
+    pub fn register_listener(&mut self) {
         unsafe {
             wl_proxy_add_listener(
                 self.raw.as_ptr() as *mut wl_proxy,