ext/kgio/connect.c in kgio-2.9.2 vs ext/kgio/connect.c in kgio-2.9.3

@@ -144,13 +144,10 @@
 	rb_raise(rb_eTypeError, "invalid address");
 	return NULL;
 }
 
 #if defined(MSG_FASTOPEN) && defined(KGIO_WITHOUT_GVL)
-#ifndef HAVE_RB_STR_SUBSEQ
-#define rb_str_subseq rb_str_substr
-#endif
 struct tfo_args {
 	int fd;
 	const void *buf;
 	size_t buflen;
 	const struct sockaddr *addr;
@@ -198,10 +195,10 @@
 	if (w < 0)
 		rb_sys_fail("sendto");
 	if ((size_t)w == a.buflen)
 		return Qnil;
 
-	return rb_str_subseq(str, w, a.buflen - w);
+	return MY_STR_SUBSEQ(str, w, a.buflen - w);
 }
 #endif /* MSG_FASTOPEN */
 
 /*
  * call-seq: