patch 8.0.1716: test for term_setsize() does not give a good error message

Problem:    Test for term_setsize() does not give a good error message.
Solution:   use assert_inrange().
diff --git a/src/version.c b/src/version.c
index 6ac76fa..1c6c15d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -763,6 +763,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1716,
+/**/
     1715,
 /**/
     1714,