leds-as3645a: Drop fwnode reference on ignored node

If a node is ignored, do not get a reference to it. Fix the bug by moving
fwnode_handle_get() where a reference to an fwnode is saved for clarity.

Reported-by: Andy Shevchenko <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Signed-off-by: Sakari Ailus <[e-mail]>
Signed-off-by: Pavel Machek <[e-mail]>

drivers/leds/leds-as3645a.c

···
 		switch (id) {
 		case AS_LED_FLASH:
 			flash->flash_node = child;
+			fwnode_handle_get(child);
 			break;
 		case AS_LED_INDICATOR:
 			flash->indicator_node = child;
+			fwnode_handle_get(child);
 			break;
 		default:
 			dev_warn(&flash->client->dev,
 				 "unknown LED %u encountered, ignoring\n", id);
 			break;
 		}
-		fwnode_handle_get(child);
 	}
 
 	if (!flash->flash_node) {