patch 7.4.2113
Problem:    Test for undo is flaky.
Solution:   Turn it into a new style test.  Use test_settime() to avoid
            flakyness.
diff --git a/src/version.c b/src/version.c
index 53597e9..76bca7a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2113,
+/**/
     2112,
 /**/
     2111,