fix unused argument warning in ae_select.c (#10824)

src/ae_select.c

@@ -50,6 +50,7 @@ static int aeApiCreate(aeEventLoop *eventLoop) {
 }
 
 static int aeApiResize(aeEventLoop *eventLoop, int setsize) {
+    AE_NOTUSED(eventLoop);
     /* Just ensure we have enough room in the fd_set type. */
     if (setsize >= FD_SETSIZE) return -1;
     return 0;