patch 8.2.0505: term_getty() not sufficiently tested

Problem:    term_getty() not sufficiently tested.
Solution:   Add more asserts. (Dominique Pelle, closes #5877)
diff --git a/src/version.c b/src/version.c
index 0e7e8c2..447cf27 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    505,
+/**/
     504,
 /**/
     503,