X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/f10106138f70a92b276899d0822650cb2ec1adae..5b0ab052105670986ec973f035b758add4d25481:/dsf.c

diff --git a/dsf.c b/dsf.c
index 353bf1a..a81bc3c 100644
--- a/dsf.c
+++ b/dsf.c
@@ -4,6 +4,8 @@
  * worry about avoiding closed loops.
  */
 
+#include "puzzles.h"
+
 int dsf_canonify(int *dsf, int val)
 {
     int v2 = val;