ut/blobfs: fix compilation error

Recently merged outdated patch break build becouse API change. Fix this.

Change-Id: I99be2a8b07578eb1d821031896de1ad5b703ce16
Fixes: 18bc3a5ef6 ("test/blobfs: Test create sync file")
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/363183
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

test/lib/blobfs/blobfs_sync_ut/blobfs_sync_ut.c

@@ -89,6 +89,7 @@ ut_send_request(fs_request_fn fn, void *arg)
 {
 	struct ut_request req;
 
+
 	req.fn = fn;
 	req.arg = arg;
 	req.done = 0;