patch 8.2.0121: filter() and map() on blob don't work

Problem:    filter() and map() on blob don't work.
Solution:   Correct the code. (closes #5483)
diff --git a/src/version.c b/src/version.c
index e20bf5d..e26d15e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    121,
+/**/
     120,
 /**/
     119,