Fix typo on continue_on_error patch

Also expand the error print a bit.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fio.c b/fio.c
index e1da2c9..bb26062 100644
--- a/fio.c
+++ b/fio.c
@@ -379,8 +379,8 @@
 	if (ret < 0 || td->error) {
 		int err;
 
-		if (!td->o.continue_on_error);
-			return 0;
+		if (!td->o.continue_on_error)
+			return 1;
 
 		if (ret < 0)
 			err = -ret;