Add missing srfi-1 import to update.scm

For fold, used in mkdir-p.

1 files changed, 2 insertions, 1 deletions

diff --git a/update.scm b/update.scm
index 7de35e1..3716984 100644
--- a/update.scm
+++ b/update.scm
@@ -1,6 +1,7 @@
 (load "haunt.scm")
 
-(use-modules (srfi srfi-11)
+(use-modules (srfi srfi-1)
+             (srfi srfi-11)
              (srfi srfi-19)
              (ice-9 format)
              (ice-9 match)