Update ext/io/event/selector/uring.c

Co-authored-by: Tavian Barnes <tavianator@tavianator.com>

Author: samuel-williams-shopify

ext/io/event/selector/uring.c

@@ -1178,7 +1178,7 @@ unsigned select_process_completions(struct IO_Event_Selector_URing *selector) {
 
 		// Interrupt read completion — the read already consumed the counter.
 		// Clear the flag so the next blocking wait re-submits the read.
-		if (cqe->user_data == (uint64_t)(uintptr_t)&selector->interrupt) {
+		if (io_uring_cqe_get_data(cqe) == &selector->interrupt) {
 			selector->wakeup_registered = 0;
 			io_uring_cq_advance(ring, 1);
 			continue;