patch 8.2.3467: CursorHoldI event interferes with "CTRL-G U"

Problem:    CursorHoldI event interferes with "CTRL-G U". (Naohiro Ono)
Solution:   Restore the flag for "CTRL-G U" after triggering CursorHoldI.
            (closes #8937)
diff --git a/src/version.c b/src/version.c
index 0801704..4107767 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3467,
+/**/
     3466,
 /**/
     3465,