patch 8.2.2849: bufwrite not sufficiently tested

Problem:    Bufwrite not sufficiently tested.
Solution:   Add a few more tests. (Yegappan Lakshmanan, closes #8192)
diff --git a/src/version.c b/src/version.c
index 3fdb588..5fcea88 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2849,
+/**/
     2848,
 /**/
     2847,