patch 8.2.4480: suspending with CTRL-Z does not work on Android

Problem:    Suspending with CTRL-Z does not work on Android.
Solution:   Do not handle SIGTSTP. (closes #9854)
diff --git a/src/version.c b/src/version.c
index a8c0bdc..b9b6aac 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4480,
+/**/
     4479,
 /**/
     4478,