Allow for newer defined versions of POSIX than POSIX 2001.1

I was prodded many times by Cyril Hrubis about this.

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/aio_fsync/8-1.c b/testcases/open_posix_testsuite/conformance/interfaces/aio_fsync/8-1.c
index 5369f00..35f9550 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/aio_fsync/8-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/aio_fsync/8-1.c
@@ -30,7 +30,7 @@
 	struct aiocb aiocb_write;
 	struct aiocb aiocb_fsync;
 
-	if (sysconf(_SC_ASYNCHRONOUS_IO) != 200112L)
+	if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L)
 		return PTS_UNSUPPORTED;
 
 	snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_fsync_8_1_%d",