vim: add patch number to CVE-2021-3778 patch

(From OE-Core rev: dc7789ac5277752060c7f5aeede5c4d861951e39)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 222be29051a3543ac63a0eb07019e90d44429b16)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/vim/files/CVE-2021-3778.patch

@@ -1,4 +1,4 @@
-From eb41373c8c88b0789e5cf04669d6116f9a199264 Mon Sep 17 00:00:00 2001
+From 6d351cec5b97cb72b226d03bd727e453a235ed8d Mon Sep 17 00:00:00 2001
 From: Minjae Kim <flowergom@gmail.com>
 Date: Sun, 26 Sep 2021 23:48:00 +0000
 Subject: [PATCH] patch 8.2.3409: reading beyond end of line with invalid utf-8
@@ -10,13 +10,15 @@ Solution: Check for NUL when advancing.
 Upstream-Status: Accepted [https://github.com/vim/vim/commit/65b605665997fad54ef39a93199e305af2fe4d7f]
 CVE: CVE-2021-3778
 Signed-off-by: Minjae Kim <flowergom@gmail.com>
+
 ---
  src/regexp_nfa.c                 | 3 ++-
  src/testdir/test_regexp_utf8.vim | 7 +++++++
- 2 files changed, 9 insertions(+), 1 deletion(-)
+ src/version.c                    | 2 ++
+ 3 files changed, 11 insertions(+), 1 deletion(-)
 
 diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
-index fb512f961..4d337f1f1 100644
+index fb512f961..ace83a1a3 100644
 --- a/src/regexp_nfa.c
 +++ b/src/regexp_nfa.c
 @@ -5455,7 +5455,8 @@ find_match_text(colnr_T startcol, int regstart, char_u *match_text)
@@ -44,6 +46,16 @@ index 19ff882be..e0665818b 100644
 +  bwipe!
 +  call delete('Xinvalid')
 +endfunc
--- 
-2.17.1
-
+diff --git a/src/version.c b/src/version.c
+index 8912f6215..85bdfc601 100644
+--- a/src/version.c
++++ b/src/version.c
+@@ -742,6 +742,8 @@ static char *(features[]) =
+ 
+ static int included_patches[] =
+ {   /* Add new patch number below this line */
++/**/
++    3409,
+ /**/
+     3402,
+ /**/