patch 8.2.2534: missing test coverage

Problem:    Missing test coverage.
Solution:   Improve test coverage for completion with different encodings,
            mapset(), and term function failures. (Dominique Pellé,
            closes #7877)
diff --git a/src/version.c b/src/version.c
index f83f038..9363c3f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2534,
+/**/
     2533,
 /**/
     2532,