patch 8.2.3982: some lines of code not covered by tests

Problem:    Some lines of code not covered by tests.
Solution:   Add a few more test cases. (Dominique Pellé, closes #9453)
diff --git a/src/version.c b/src/version.c
index 521fe39..f4d3172 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3982,
+/**/
     3981,
 /**/
     3980,