igt/gem_busy: Prevent banning when running multiple hang tests

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/tests/gem_eio.c b/tests/gem_eio.c
index ab3facc..9376e79 100644
--- a/tests/gem_eio.c
+++ b/tests/gem_eio.c
@@ -136,7 +136,7 @@
 
 static void test_wait(int fd)
 {
-	igt_hang_ring_t hang;
+	igt_hang_t hang;
 
 	/* If the request we wait on completes due to a hang (even for
 	 * that request), the user expects the return value to 0 (success).