patch 9.1.0002: a closing fold expr, may start a new fold

Problem:  a closing fold expression may unexpectedly start a new fold
          when it should end a fold
          (reported by Shota Nozaki)
Solution: if a fold hasn't started yet, do not immediately
          start a new fold with level 1
          (Shota Nozaki)

fixes: #12768
closes: #13748

Signed-off-by: Shota Nozaki <emonkak@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index c4e7fa3..8c71b68 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2,
+/**/
     1,
 /**/
     0