patch 8.2.3585: crash when passing float to "term_rows" of term_start()

Problem:    Crash when passing float to "term_rows" in the options argument of
            term_start(). (Virginia Senioria)
Solution:   Bail out if the argument is not a number. (closes #9116)

src/version.c

@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3585,
 /**/
     3584,
 /**/