Add test case for exiting with SQPOLL and rings created disabled

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/.gitignore b/.gitignore
index f850a8c..17ec415 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,6 +104,7 @@
 /test/sq-poll-dup
 /test/sq-poll-kthread
 /test/sq-poll-share
+/test/sqpoll-disable-exit
 /test/sqpoll-exit-hang
 /test/sqpoll-sleep
 /test/sq-space_left