init: set fail error return on bad parse

Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/init.c b/init.c
index e208451..861b1f5 100644
--- a/init.c
+++ b/init.c
@@ -1482,6 +1482,7 @@
 
 				log_err("fio: option <%s> outside of "
 					"[] job section\n", p);
+				ret = 1;
 				break;
 			}