Add a warning to avoid CI breakage.

diff --git a/saveresume.c b/saveresume.c
index ab2e1fed3ad67e57457f5e44acc16cd474113d9f..783e6714262b8857b487bec49a4cdbaf2b0b97a0 100644 (file)
--- a/saveresume.c
+++ b/saveresume.c
@@ -18,7 +18,14 @@
 #include "advent.h"
 #include "dungeon.h"
 
-#define VRSION 29      /* bump on save format change */
+/*
+ * Bump on save format change.
+ *
+ * Note: Verify that the tests run clean before bumping this, then rebuild the check
+ * files afterwards.  Otherwise you will get a spurious failure due to the old version
+ * having been generated into a check file.
+ */
+#define VRSION 29
 
 /*
  * If you change the first three members, the resume function may not properly