diff -ru /usr/src/usr.bin/undo/undo.c undo.fixonly/undo.c
--- /usr/src/usr.bin/undo/undo.c	2009-03-09 23:47:33 +0000
+++ undo.fixonly/undo.c	2009-03-22 13:57:32 +0000
@@ -76,6 +76,7 @@
 static void doiterate(const char *filename, const char *outFileName,
 		   const char *outFilePostfix, int flags,
 		   struct hammer_ioc_hist_entry ts1,
+		   struct hammer_ioc_hist_entry ts2,
 		   enum undo_cmd cmd, enum undo_type type);
 static void dogenerate(const char *filename, const char *outFileName,
 		   const char *outFilePostfix,
@@ -205,7 +206,7 @@
 
 	while (ac) {
 		doiterate(*av, outFileName, outFilePostfix,
-			  flags, ts1, cmd, type);
+			  flags, ts1, ts2, cmd, type);
 		++av;
 		--ac;
 	}
@@ -225,13 +226,14 @@
 doiterate(const char *filename, const char *outFileName,
 	  const char *outFilePostfix, int flags,
 	  struct hammer_ioc_hist_entry ts1,
+	  struct hammer_ioc_hist_entry ts2,
 	  enum undo_cmd cmd, enum undo_type type)
 {
 	struct undo_hist_entry_rb_tree dir_tree;
 	struct undo_hist_entry_rb_tree tse_tree;
 	struct undo_hist_entry *tse1;
 	struct undo_hist_entry *tse2;
-	struct hammer_ioc_hist_entry ts2, tid_max;
+	struct hammer_ioc_hist_entry tid_max;
 	char *path = NULL;
 	int i;
 	int fd;