patch 8.2.4139: using freed memory in expression abbreviation

Problem:    Using freed memory if an expression abbreviation deletes the
            abbreviation.
Solution:   Do not access the pointer after evaluating the expression.
diff --git a/src/version.c b/src/version.c
index 6198d41..07d5b81 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4139,
+/**/
     4138,
 /**/
     4137,