It's a new year.
[sgt/puzzles] / dsf.c
diff --git a/dsf.c b/dsf.c
index 353bf1a..a81bc3c 100644 (file)
--- 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;