patch 8.2.3480: test does not fail without the fix for a crash

Problem:    Test does not fail without the fix for a crash.
Solution:   Write the bad code in a file and source it. (Dominique Pellé,
            closes #8961)
diff --git a/src/version.c b/src/version.c
index 96e7606..70f363a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3480,
+/**/
     3479,
 /**/
     3478,