server: Fix method name in comments for fd_ops.

server/serial.c

@@ -108,7 +108,7 @@ static const struct fd_ops serial_fd_ops =
     default_fd_get_poll_events,   /* get_poll_events */
     default_poll_event,           /* poll_event */
     serial_flush,                 /* flush */
-    serial_get_fd_type,           /* get_file_info */
+    serial_get_fd_type,           /* get_fd_type */
     default_fd_ioctl,             /* ioctl */
     serial_queue_async,           /* queue_async */
     default_fd_reselect_async,    /* reselect_async */

server/sock.c

@@ -152,7 +152,7 @@ static const struct fd_ops sock_fd_ops =
     sock_get_poll_events,         /* get_poll_events */
     sock_poll_event,              /* poll_event */
     no_flush,                     /* flush */
-    sock_get_fd_type,             /* get_file_info */
+    sock_get_fd_type,             /* get_fd_type */
     default_fd_ioctl,             /* ioctl */
     sock_queue_async,             /* queue_async */
     sock_reselect_async,          /* reselect_async */