vim: fix CVE-2021-3778

vim is vulnerable to Heap-based Buffer Overflow

reference:
65b6056659
(From OE-Core rev: 0fb9be3925f258a7e8009c581c1cf93ace2a498b)

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/vim/vim.inc

@@ -18,6 +18,7 @@ SRC_URI = "git://github.com/vim/vim.git \
            file://no-path-adjust.patch \
            file://racefix.patch \
            file://b7081e135a16091c93f6f5f7525a5c58fb7ca9f9.patch \
+	   file://CVE-2021-3778.patch \
 "
 
 SRCREV = "98056533b96b6b5d8849641de93185dd7bcadc44"