patch 8.1.2068: test for SafeState and SafeStateAgain may fail

Problem:    Test for SafeState and SafeStateAgain may fail.
Solution:   Accept more possible responses
diff --git a/src/version.c b/src/version.c
index d163fba..678bc13 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2068,
+/**/
     2067,
 /**/
     2066,