generic/109: fix status on completion

My fault. I didn't set status=0 when removing the filesystem
checking code from Jan's original test code in commit ed2732f
("fstests: Add test of rename").

Signed-off-by: Dave Chinner <dchinner@redhat.com>

tests/generic/109

@@ -93,4 +93,5 @@ for f in 1 2 3 4 5 8 12 18 27 40 60 90 135 202 303 454 681 1020 1530 2295; do
 	popd >/dev/null
 done
 
+status=0
 exit