patch 8.2.3855: illegal memory access when displaying a blob

Problem:    Illegal memory access when displaying a blob.
Solution:   Append a NUL at the end. (Yegappan Lakshmanan, closes #9372)
diff --git a/src/version.c b/src/version.c
index 52cc584..873b972 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3855,
+/**/
     3854,
 /**/
     3853,